1681739640

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{41}}^2\times {\mathrm{397}}^1$

素因数の和:503

約数の個数: 288

約数和(自身を含む): 6418657440

約数和(自身を除く): 4736917800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 41, 42, 45, 56, 60, 63, 70, 72, 82, 84, 90, 105, 120, 123, 126, 140, 164, 168, 180, 205, 210, 246, 252, 280, 287, 315, 328, 360, 369, 397, 410, 420, 492, 504, 574, 615, 630, 738, 794, 820, 840, 861, 984, 1148, 1191, 1230, 1260, 1435, 1476, 1588, 1640, 1681, 1722, 1845, 1985, 2296, 2382, 2460, 2520, 2583, 2779, 2870, 2952, 3176, 3362, 3444, 3573, 3690, 3970, 4305, 4764, 4920, 5043, 5166, 5558, 5740, 5955, 6724, 6888, 7146, 7380, 7940, 8337, 8405, 8610, 9528, 10086, 10332, 11116, 11480, 11767, 11910, 12915, 13448, 13895, 14292, 14760, 15129, 15880, 16277, 16674, 16810, 17220, 17865, 20172, 20664, 22232, 23534, 23820, 25011, 25215, 25830, 27790, 28584, 30258, 32554, 33348, 33620, 34440, 35301, 35730, 40344, 41685, 47068, 47640, 48831, 50022, 50430, 51660, 55580, 58835, 60516, 65108, 66696, 67240, 70602, 71460, 75645, 81385, 83370, 94136, 97662, 100044, 100860, 103320, 105903, 111160, 113939, 117670, 121032, 125055, 130216, 141204, 142920, 146493, 151290, 162770, 166740, 176505, 195324, 200088, 201720, 211806, 227878, 235340, 244155, 250110, 282408, 292986, 302580, 325540, 333480, 341817, 353010, 390648, 423612, 455756, 470680, 488310, 500220, 529515, 569695, 585972, 605160, 651080, 667357, 683634, 706020, 732465, 847224, 911512, 976620, 1000440, 1025451, 1059030, 1139390, 1171944, 1334714, 1367268, 1412040, 1464930, 1709085, 1953240, 2002071, 2050902, 2118060, 2278780, 2669428, 2734536, 2929860, 3336785, 3418170, 4004142, 4101804, 4236120, 4557560, 4671499, 5127255, 5338856, 5859720, 6006213, 6673570, 6836340, 8008284, 8203608, 9342998, 10010355, 10254510, 12012426, 13347140, 13672680, 14014497, 16016568, 18685996, 20020710, 20509020, 23357495, 24024852, 26694280, 28028994, 30031065, 37371992, 40041420, 41018040, 42043491, 46714990, 48049704, 56057988, 60062130, 70072485, 80082840, 84086982, 93429980, 112115976, 120124260, 140144970, 168173964, 186859960, 210217455, 240248520, 280289940, 336347928, 420434910, 560579880, 840869820, 1681739640]

約数ペア:

[(1, 1681739640), (2, 840869820), (3, 560579880), (4, 420434910), (5, 336347928), (6, 280289940), (7, 240248520), (8, 210217455), (9, 186859960), (10, 168173964), (12, 140144970), (14, 120124260), (15, 112115976), (18, 93429980), (20, 84086982), (21, 80082840), (24, 70072485), (28, 60062130), (30, 56057988), (35, 48049704), (36, 46714990), (40, 42043491), (41, 41018040), (42, 40041420), (45, 37371992), (56, 30031065), (60, 28028994), (63, 26694280), (70, 24024852), (72, 23357495), (82, 20509020), (84, 20020710), (90, 18685996), (105, 16016568), (120, 14014497), (123, 13672680), (126, 13347140), (140, 12012426), (164, 10254510), (168, 10010355), (180, 9342998), (205, 8203608), (210, 8008284), (246, 6836340), (252, 6673570), (280, 6006213), (287, 5859720), (315, 5338856), (328, 5127255), (360, 4671499), (369, 4557560), (397, 4236120), (410, 4101804), (420, 4004142), (492, 3418170), (504, 3336785), (574, 2929860), (615, 2734536), (630, 2669428), (738, 2278780), (794, 2118060), (820, 2050902), (840, 2002071), (861, 1953240), (984, 1709085), (1148, 1464930), (1191, 1412040), (1230, 1367268), (1260, 1334714), (1435, 1171944), (1476, 1139390), (1588, 1059030), (1640, 1025451), (1681, 1000440), (1722, 976620), (1845, 911512), (1985, 847224), (2296, 732465), (2382, 706020), (2460, 683634), (2520, 667357), (2583, 651080), (2779, 605160), (2870, 585972), (2952, 569695), (3176, 529515), (3362, 500220), (3444, 488310), (3573, 470680), (3690, 455756), (3970, 423612), (4305, 390648), (4764, 353010), (4920, 341817), (5043, 333480), (5166, 325540), (5558, 302580), (5740, 292986), (5955, 282408), (6724, 250110), (6888, 244155), (7146, 235340), (7380, 227878), (7940, 211806), (8337, 201720), (8405, 200088), (8610, 195324), (9528, 176505), (10086, 166740), (10332, 162770), (11116, 151290), (11480, 146493), (11767, 142920), (11910, 141204), (12915, 130216), (13448, 125055), (13895, 121032), (14292, 117670), (14760, 113939), (15129, 111160), (15880, 105903), (16277, 103320), (16674, 100860), (16810, 100044), (17220, 97662), (17865, 94136), (20172, 83370), (20664, 81385), (22232, 75645), (23534, 71460), (23820, 70602), (25011, 67240), (25215, 66696), (25830, 65108), (27790, 60516), (28584, 58835), (30258, 55580), (32554, 51660), (33348, 50430), (33620, 50022), (34440, 48831), (35301, 47640), (35730, 47068), (40344, 41685)]