1649202480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1997}}^1$

素因数の和:2084

約数の個数: 240

約数和(自身を含む): 5874695424

約数和(自身を除く): 4225492944

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 37, 40, 45, 48, 60, 62, 72, 74, 80, 90, 93, 111, 120, 124, 144, 148, 155, 180, 185, 186, 222, 240, 248, 279, 296, 310, 333, 360, 370, 372, 444, 465, 496, 555, 558, 592, 620, 666, 720, 740, 744, 888, 930, 1110, 1116, 1147, 1240, 1332, 1395, 1480, 1488, 1665, 1776, 1860, 1997, 2220, 2232, 2294, 2480, 2664, 2790, 2960, 3330, 3441, 3720, 3994, 4440, 4464, 4588, 5328, 5580, 5735, 5991, 6660, 6882, 7440, 7988, 8880, 9176, 9985, 10323, 11160, 11470, 11982, 13320, 13764, 15976, 17205, 17973, 18352, 19970, 20646, 22320, 22940, 23964, 26640, 27528, 29955, 31952, 34410, 35946, 39940, 41292, 45880, 47928, 51615, 55056, 59910, 61907, 68820, 71892, 73889, 79880, 82584, 89865, 91760, 95856, 103230, 119820, 123814, 137640, 143784, 147778, 159760, 165168, 179730, 185721, 206460, 221667, 239640, 247628, 275280, 287568, 295556, 309535, 359460, 369445, 371442, 412920, 443334, 479280, 495256, 557163, 591112, 619070, 665001, 718920, 738890, 742884, 825840, 886668, 928605, 990512, 1108335, 1114326, 1182224, 1238140, 1330002, 1437840, 1477780, 1485768, 1773336, 1857210, 2216670, 2228652, 2290559, 2476280, 2660004, 2785815, 2955560, 2971536, 3325005, 3546672, 3714420, 4433340, 4457304, 4581118, 4952560, 5320008, 5571630, 5911120, 6650010, 6871677, 7428840, 8866680, 8914608, 9162236, 10640016, 11143260, 11452795, 13300020, 13743354, 14857680, 17733360, 18324472, 20615031, 22286520, 22905590, 26600040, 27486708, 34358385, 36648944, 41230062, 44573040, 45811180, 53200080, 54973416, 68716770, 82460124, 91622360, 103075155, 109946832, 137433540, 164920248, 183244720, 206150310, 274867080, 329840496, 412300620, 549734160, 824601240, 1649202480]

約数ペア:

[(1, 1649202480), (2, 824601240), (3, 549734160), (4, 412300620), (5, 329840496), (6, 274867080), (8, 206150310), (9, 183244720), (10, 164920248), (12, 137433540), (15, 109946832), (16, 103075155), (18, 91622360), (20, 82460124), (24, 68716770), (30, 54973416), (31, 53200080), (36, 45811180), (37, 44573040), (40, 41230062), (45, 36648944), (48, 34358385), (60, 27486708), (62, 26600040), (72, 22905590), (74, 22286520), (80, 20615031), (90, 18324472), (93, 17733360), (111, 14857680), (120, 13743354), (124, 13300020), (144, 11452795), (148, 11143260), (155, 10640016), (180, 9162236), (185, 8914608), (186, 8866680), (222, 7428840), (240, 6871677), (248, 6650010), (279, 5911120), (296, 5571630), (310, 5320008), (333, 4952560), (360, 4581118), (370, 4457304), (372, 4433340), (444, 3714420), (465, 3546672), (496, 3325005), (555, 2971536), (558, 2955560), (592, 2785815), (620, 2660004), (666, 2476280), (720, 2290559), (740, 2228652), (744, 2216670), (888, 1857210), (930, 1773336), (1110, 1485768), (1116, 1477780), (1147, 1437840), (1240, 1330002), (1332, 1238140), (1395, 1182224), (1480, 1114326), (1488, 1108335), (1665, 990512), (1776, 928605), (1860, 886668), (1997, 825840), (2220, 742884), (2232, 738890), (2294, 718920), (2480, 665001), (2664, 619070), (2790, 591112), (2960, 557163), (3330, 495256), (3441, 479280), (3720, 443334), (3994, 412920), (4440, 371442), (4464, 369445), (4588, 359460), (5328, 309535), (5580, 295556), (5735, 287568), (5991, 275280), (6660, 247628), (6882, 239640), (7440, 221667), (7988, 206460), (8880, 185721), (9176, 179730), (9985, 165168), (10323, 159760), (11160, 147778), (11470, 143784), (11982, 137640), (13320, 123814), (13764, 119820), (15976, 103230), (17205, 95856), (17973, 91760), (18352, 89865), (19970, 82584), (20646, 79880), (22320, 73889), (22940, 71892), (23964, 68820), (26640, 61907), (27528, 59910), (29955, 55056), (31952, 51615), (34410, 47928), (35946, 45880), (39940, 41292)]