257738040

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{769}}^1$

素因数の和:819

約数の個数: 288

約数和(自身を含む): 1027026000

約数和(自身を除く): 769287960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 49, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 98, 105, 114, 120, 126, 133, 140, 147, 152, 168, 171, 180, 190, 196, 210, 228, 245, 252, 266, 280, 285, 294, 315, 342, 360, 380, 392, 399, 420, 441, 456, 490, 504, 532, 570, 588, 630, 665, 684, 735, 760, 769, 798, 840, 855, 882, 931, 980, 1064, 1140, 1176, 1197, 1260, 1330, 1368, 1470, 1538, 1596, 1710, 1764, 1862, 1960, 1995, 2205, 2280, 2307, 2394, 2520, 2660, 2793, 2940, 3076, 3192, 3420, 3528, 3724, 3845, 3990, 4410, 4614, 4655, 4788, 5320, 5383, 5586, 5880, 5985, 6152, 6840, 6921, 7448, 7690, 7980, 8379, 8820, 9228, 9310, 9576, 10766, 11172, 11535, 11970, 13842, 13965, 14611, 15380, 15960, 16149, 16758, 17640, 18456, 18620, 21532, 22344, 23070, 23940, 26915, 27684, 27930, 29222, 30760, 32298, 33516, 34605, 37240, 37681, 41895, 43064, 43833, 46140, 47880, 48447, 53830, 55368, 55860, 58444, 64596, 67032, 69210, 73055, 75362, 80745, 83790, 87666, 92280, 96894, 102277, 107660, 111720, 113043, 116888, 129192, 131499, 138420, 146110, 150724, 161490, 167580, 175332, 188405, 193788, 204554, 215320, 219165, 226086, 242235, 262998, 276840, 292220, 301448, 306831, 322980, 335160, 339129, 350664, 376810, 387576, 409108, 438330, 452172, 484470, 511385, 525996, 565215, 584440, 613662, 645960, 657495, 678258, 715939, 753620, 818216, 876660, 904344, 920493, 968940, 1022770, 1051992, 1130430, 1227324, 1314990, 1356516, 1431878, 1507240, 1534155, 1695645, 1753320, 1840986, 1937880, 2045540, 2147817, 2260860, 2454648, 2629980, 2713032, 2863756, 3068310, 3391290, 3579695, 3681972, 4091080, 4295634, 4521720, 4602465, 5259960, 5727512, 6136620, 6443451, 6782580, 7159390, 7363944, 8591268, 9204930, 10739085, 12273240, 12886902, 13565160, 14318780, 17182536, 18409860, 21478170, 25773804, 28637560, 32217255, 36819720, 42956340, 51547608, 64434510, 85912680, 128869020, 257738040]

約数ペア:

[(1, 257738040), (2, 128869020), (3, 85912680), (4, 64434510), (5, 51547608), (6, 42956340), (7, 36819720), (8, 32217255), (9, 28637560), (10, 25773804), (12, 21478170), (14, 18409860), (15, 17182536), (18, 14318780), (19, 13565160), (20, 12886902), (21, 12273240), (24, 10739085), (28, 9204930), (30, 8591268), (35, 7363944), (36, 7159390), (38, 6782580), (40, 6443451), (42, 6136620), (45, 5727512), (49, 5259960), (56, 4602465), (57, 4521720), (60, 4295634), (63, 4091080), (70, 3681972), (72, 3579695), (76, 3391290), (84, 3068310), (90, 2863756), (95, 2713032), (98, 2629980), (105, 2454648), (114, 2260860), (120, 2147817), (126, 2045540), (133, 1937880), (140, 1840986), (147, 1753320), (152, 1695645), (168, 1534155), (171, 1507240), (180, 1431878), (190, 1356516), (196, 1314990), (210, 1227324), (228, 1130430), (245, 1051992), (252, 1022770), (266, 968940), (280, 920493), (285, 904344), (294, 876660), (315, 818216), (342, 753620), (360, 715939), (380, 678258), (392, 657495), (399, 645960), (420, 613662), (441, 584440), (456, 565215), (490, 525996), (504, 511385), (532, 484470), (570, 452172), (588, 438330), (630, 409108), (665, 387576), (684, 376810), (735, 350664), (760, 339129), (769, 335160), (798, 322980), (840, 306831), (855, 301448), (882, 292220), (931, 276840), (980, 262998), (1064, 242235), (1140, 226086), (1176, 219165), (1197, 215320), (1260, 204554), (1330, 193788), (1368, 188405), (1470, 175332), (1538, 167580), (1596, 161490), (1710, 150724), (1764, 146110), (1862, 138420), (1960, 131499), (1995, 129192), (2205, 116888), (2280, 113043), (2307, 111720), (2394, 107660), (2520, 102277), (2660, 96894), (2793, 92280), (2940, 87666), (3076, 83790), (3192, 80745), (3420, 75362), (3528, 73055), (3724, 69210), (3845, 67032), (3990, 64596), (4410, 58444), (4614, 55860), (4655, 55368), (4788, 53830), (5320, 48447), (5383, 47880), (5586, 46140), (5880, 43833), (5985, 43064), (6152, 41895), (6840, 37681), (6921, 37240), (7448, 34605), (7690, 33516), (7980, 32298), (8379, 30760), (8820, 29222), (9228, 27930), (9310, 27684), (9576, 26915), (10766, 23940), (11172, 23070), (11535, 22344), (11970, 21532), (13842, 18620), (13965, 18456), (14611, 17640), (15380, 16758), (15960, 16149)]