80181900

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:566

約数の個数: 180

約数和(自身を含む): 274123080

約数和(自身を除く): 193941180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 27, 30, 36, 38, 45, 50, 54, 57, 60, 75, 76, 81, 90, 95, 100, 108, 114, 135, 150, 162, 171, 180, 190, 225, 228, 270, 285, 300, 324, 342, 380, 405, 450, 475, 513, 521, 540, 570, 675, 684, 810, 855, 900, 950, 1026, 1042, 1140, 1350, 1425, 1539, 1563, 1620, 1710, 1900, 2025, 2052, 2084, 2565, 2605, 2700, 2850, 3078, 3126, 3420, 4050, 4275, 4689, 5130, 5210, 5700, 6156, 6252, 7695, 7815, 8100, 8550, 9378, 9899, 10260, 10420, 12825, 13025, 14067, 15390, 15630, 17100, 18756, 19798, 23445, 25650, 26050, 28134, 29697, 30780, 31260, 38475, 39075, 39596, 42201, 46890, 49495, 51300, 52100, 56268, 59394, 70335, 76950, 78150, 84402, 89091, 93780, 98990, 117225, 118788, 140670, 148485, 153900, 156300, 168804, 178182, 197980, 211005, 234450, 247475, 267273, 281340, 296970, 351675, 356364, 422010, 445455, 468900, 494950, 534546, 593940, 703350, 742425, 801819, 844020, 890910, 989900, 1055025, 1069092, 1336365, 1406700, 1484850, 1603638, 1781820, 2110050, 2227275, 2672730, 2969700, 3207276, 4009095, 4220100, 4454550, 5345460, 6681825, 8018190, 8909100, 13363650, 16036380, 20045475, 26727300, 40090950, 80181900]

約数ペア:

[(1, 80181900), (2, 40090950), (3, 26727300), (4, 20045475), (5, 16036380), (6, 13363650), (9, 8909100), (10, 8018190), (12, 6681825), (15, 5345460), (18, 4454550), (19, 4220100), (20, 4009095), (25, 3207276), (27, 2969700), (30, 2672730), (36, 2227275), (38, 2110050), (45, 1781820), (50, 1603638), (54, 1484850), (57, 1406700), (60, 1336365), (75, 1069092), (76, 1055025), (81, 989900), (90, 890910), (95, 844020), (100, 801819), (108, 742425), (114, 703350), (135, 593940), (150, 534546), (162, 494950), (171, 468900), (180, 445455), (190, 422010), (225, 356364), (228, 351675), (270, 296970), (285, 281340), (300, 267273), (324, 247475), (342, 234450), (380, 211005), (405, 197980), (450, 178182), (475, 168804), (513, 156300), (521, 153900), (540, 148485), (570, 140670), (675, 118788), (684, 117225), (810, 98990), (855, 93780), (900, 89091), (950, 84402), (1026, 78150), (1042, 76950), (1140, 70335), (1350, 59394), (1425, 56268), (1539, 52100), (1563, 51300), (1620, 49495), (1710, 46890), (1900, 42201), (2025, 39596), (2052, 39075), (2084, 38475), (2565, 31260), (2605, 30780), (2700, 29697), (2850, 28134), (3078, 26050), (3126, 25650), (3420, 23445), (4050, 19798), (4275, 18756), (4689, 17100), (5130, 15630), (5210, 15390), (5700, 14067), (6156, 13025), (6252, 12825), (7695, 10420), (7815, 10260), (8100, 9899), (8550, 9378)]