720450900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{443}}^1$

素因数の和:615

約数の個数: 216

約数和(自身を含む): 2454947040

約数和(自身を除く): 1734496140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 30, 36, 39, 45, 50, 52, 60, 65, 75, 78, 90, 100, 117, 130, 139, 150, 156, 180, 195, 225, 234, 260, 278, 300, 325, 390, 417, 443, 450, 468, 556, 585, 650, 695, 780, 834, 886, 900, 975, 1170, 1251, 1300, 1329, 1390, 1668, 1772, 1807, 1950, 2085, 2215, 2340, 2502, 2658, 2780, 2925, 3475, 3614, 3900, 3987, 4170, 4430, 5004, 5316, 5421, 5759, 5850, 6255, 6645, 6950, 7228, 7974, 8340, 8860, 9035, 10425, 10842, 11075, 11518, 11700, 12510, 13290, 13900, 15948, 16263, 17277, 18070, 19935, 20850, 21684, 22150, 23036, 25020, 26580, 27105, 28795, 31275, 32526, 33225, 34554, 36140, 39870, 41700, 44300, 45175, 51831, 54210, 57590, 61577, 62550, 65052, 66450, 69108, 79740, 81315, 86385, 90350, 99675, 103662, 108420, 115180, 123154, 125100, 132900, 135525, 143975, 162630, 172770, 180700, 184731, 199350, 207324, 246308, 259155, 271050, 287950, 307885, 325260, 345540, 369462, 398700, 406575, 431925, 518310, 542100, 554193, 575900, 615770, 738924, 800501, 813150, 863850, 923655, 1036620, 1108386, 1231540, 1295775, 1539425, 1601002, 1626300, 1727700, 1847310, 2216772, 2401503, 2591550, 2770965, 3078850, 3202004, 3694620, 4002505, 4618275, 4803006, 5183100, 5541930, 6157700, 7204509, 8005010, 9236550, 9606012, 11083860, 12007515, 13854825, 14409018, 16010020, 18473100, 20012525, 24015030, 27709650, 28818036, 36022545, 40025050, 48030060, 55419300, 60037575, 72045090, 80050100, 120075150, 144090180, 180112725, 240150300, 360225450, 720450900]

約数ペア:

[(1, 720450900), (2, 360225450), (3, 240150300), (4, 180112725), (5, 144090180), (6, 120075150), (9, 80050100), (10, 72045090), (12, 60037575), (13, 55419300), (15, 48030060), (18, 40025050), (20, 36022545), (25, 28818036), (26, 27709650), (30, 24015030), (36, 20012525), (39, 18473100), (45, 16010020), (50, 14409018), (52, 13854825), (60, 12007515), (65, 11083860), (75, 9606012), (78, 9236550), (90, 8005010), (100, 7204509), (117, 6157700), (130, 5541930), (139, 5183100), (150, 4803006), (156, 4618275), (180, 4002505), (195, 3694620), (225, 3202004), (234, 3078850), (260, 2770965), (278, 2591550), (300, 2401503), (325, 2216772), (390, 1847310), (417, 1727700), (443, 1626300), (450, 1601002), (468, 1539425), (556, 1295775), (585, 1231540), (650, 1108386), (695, 1036620), (780, 923655), (834, 863850), (886, 813150), (900, 800501), (975, 738924), (1170, 615770), (1251, 575900), (1300, 554193), (1329, 542100), (1390, 518310), (1668, 431925), (1772, 406575), (1807, 398700), (1950, 369462), (2085, 345540), (2215, 325260), (2340, 307885), (2502, 287950), (2658, 271050), (2780, 259155), (2925, 246308), (3475, 207324), (3614, 199350), (3900, 184731), (3987, 180700), (4170, 172770), (4430, 162630), (5004, 143975), (5316, 135525), (5421, 132900), (5759, 125100), (5850, 123154), (6255, 115180), (6645, 108420), (6950, 103662), (7228, 99675), (7974, 90350), (8340, 86385), (8860, 81315), (9035, 79740), (10425, 69108), (10842, 66450), (11075, 65052), (11518, 62550), (11700, 61577), (12510, 57590), (13290, 54210), (13900, 51831), (15948, 45175), (16263, 44300), (17277, 41700), (18070, 39870), (19935, 36140), (20850, 34554), (21684, 33225), (22150, 32526), (23036, 31275), (25020, 28795), (26580, 27105)]