208223280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:560

約数の個数: 240

約数和(自身を含む): 761379840

約数和(自身を除く): 553156560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 31, 36, 38, 40, 45, 48, 57, 60, 62, 72, 76, 80, 90, 93, 95, 114, 120, 124, 144, 152, 155, 171, 180, 186, 190, 228, 240, 248, 279, 285, 304, 310, 342, 360, 372, 380, 456, 465, 491, 496, 558, 570, 589, 620, 684, 720, 744, 760, 855, 912, 930, 982, 1116, 1140, 1178, 1240, 1368, 1395, 1473, 1488, 1520, 1710, 1767, 1860, 1964, 2232, 2280, 2356, 2455, 2480, 2736, 2790, 2945, 2946, 3420, 3534, 3720, 3928, 4419, 4464, 4560, 4712, 4910, 5301, 5580, 5890, 5892, 6840, 7068, 7365, 7440, 7856, 8835, 8838, 9329, 9424, 9820, 10602, 11160, 11780, 11784, 13680, 14136, 14730, 15221, 17670, 17676, 18658, 19640, 21204, 22095, 22320, 23560, 23568, 26505, 27987, 28272, 29460, 30442, 35340, 35352, 37316, 39280, 42408, 44190, 45663, 46645, 47120, 53010, 55974, 58920, 60884, 70680, 70704, 74632, 76105, 83961, 84816, 88380, 91326, 93290, 106020, 111948, 117840, 121768, 136989, 139935, 141360, 149264, 152210, 167922, 176760, 182652, 186580, 212040, 223896, 228315, 243536, 273978, 279870, 289199, 304420, 335844, 353520, 365304, 373160, 419805, 424080, 447792, 456630, 547956, 559740, 578398, 608840, 671688, 684945, 730608, 746320, 839610, 867597, 913260, 1095912, 1119480, 1156796, 1217680, 1343376, 1369890, 1445995, 1679220, 1735194, 1826520, 2191824, 2238960, 2313592, 2602791, 2739780, 2891990, 3358440, 3470388, 3653040, 4337985, 4627184, 5205582, 5479560, 5783980, 6716880, 6940776, 8675970, 10411164, 10959120, 11567960, 13013955, 13881552, 17351940, 20822328, 23135920, 26027910, 34703880, 41644656, 52055820, 69407760, 104111640, 208223280]

約数ペア:

[(1, 208223280), (2, 104111640), (3, 69407760), (4, 52055820), (5, 41644656), (6, 34703880), (8, 26027910), (9, 23135920), (10, 20822328), (12, 17351940), (15, 13881552), (16, 13013955), (18, 11567960), (19, 10959120), (20, 10411164), (24, 8675970), (30, 6940776), (31, 6716880), (36, 5783980), (38, 5479560), (40, 5205582), (45, 4627184), (48, 4337985), (57, 3653040), (60, 3470388), (62, 3358440), (72, 2891990), (76, 2739780), (80, 2602791), (90, 2313592), (93, 2238960), (95, 2191824), (114, 1826520), (120, 1735194), (124, 1679220), (144, 1445995), (152, 1369890), (155, 1343376), (171, 1217680), (180, 1156796), (186, 1119480), (190, 1095912), (228, 913260), (240, 867597), (248, 839610), (279, 746320), (285, 730608), (304, 684945), (310, 671688), (342, 608840), (360, 578398), (372, 559740), (380, 547956), (456, 456630), (465, 447792), (491, 424080), (496, 419805), (558, 373160), (570, 365304), (589, 353520), (620, 335844), (684, 304420), (720, 289199), (744, 279870), (760, 273978), (855, 243536), (912, 228315), (930, 223896), (982, 212040), (1116, 186580), (1140, 182652), (1178, 176760), (1240, 167922), (1368, 152210), (1395, 149264), (1473, 141360), (1488, 139935), (1520, 136989), (1710, 121768), (1767, 117840), (1860, 111948), (1964, 106020), (2232, 93290), (2280, 91326), (2356, 88380), (2455, 84816), (2480, 83961), (2736, 76105), (2790, 74632), (2945, 70704), (2946, 70680), (3420, 60884), (3534, 58920), (3720, 55974), (3928, 53010), (4419, 47120), (4464, 46645), (4560, 45663), (4712, 44190), (4910, 42408), (5301, 39280), (5580, 37316), (5890, 35352), (5892, 35340), (6840, 30442), (7068, 29460), (7365, 28272), (7440, 27987), (7856, 26505), (8835, 23568), (8838, 23560), (9329, 22320), (9424, 22095), (9820, 21204), (10602, 19640), (11160, 18658), (11780, 17676), (11784, 17670), (13680, 15221), (14136, 14730)]