221332560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{419}}^1$

素因数の和:537

約数の個数: 160

約数和(自身を含む): 719953920

約数和(自身を除く): 498621360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 71, 80, 93, 120, 124, 142, 155, 186, 213, 240, 248, 284, 310, 355, 372, 419, 426, 465, 496, 568, 620, 710, 744, 838, 852, 930, 1065, 1136, 1240, 1257, 1420, 1488, 1676, 1704, 1860, 2095, 2130, 2201, 2480, 2514, 2840, 3352, 3408, 3720, 4190, 4260, 4402, 5028, 5680, 6285, 6603, 6704, 7440, 8380, 8520, 8804, 10056, 11005, 12570, 12989, 13206, 16760, 17040, 17608, 20112, 22010, 25140, 25978, 26412, 29749, 33015, 33520, 35216, 38967, 44020, 50280, 51956, 52824, 59498, 64945, 66030, 77934, 88040, 89247, 100560, 103912, 105648, 118996, 129890, 132060, 148745, 155868, 176080, 178494, 194835, 207824, 237992, 259780, 264120, 297490, 311736, 356988, 389670, 446235, 475984, 519560, 528240, 594980, 623472, 713976, 779340, 892470, 922219, 1039120, 1189960, 1427952, 1558680, 1784940, 1844438, 2379920, 2766657, 3117360, 3569880, 3688876, 4611095, 5533314, 7139760, 7377752, 9222190, 11066628, 13833285, 14755504, 18444380, 22133256, 27666570, 36888760, 44266512, 55333140, 73777520, 110666280, 221332560]

約数ペア:

[(1, 221332560), (2, 110666280), (3, 73777520), (4, 55333140), (5, 44266512), (6, 36888760), (8, 27666570), (10, 22133256), (12, 18444380), (15, 14755504), (16, 13833285), (20, 11066628), (24, 9222190), (30, 7377752), (31, 7139760), (40, 5533314), (48, 4611095), (60, 3688876), (62, 3569880), (71, 3117360), (80, 2766657), (93, 2379920), (120, 1844438), (124, 1784940), (142, 1558680), (155, 1427952), (186, 1189960), (213, 1039120), (240, 922219), (248, 892470), (284, 779340), (310, 713976), (355, 623472), (372, 594980), (419, 528240), (426, 519560), (465, 475984), (496, 446235), (568, 389670), (620, 356988), (710, 311736), (744, 297490), (838, 264120), (852, 259780), (930, 237992), (1065, 207824), (1136, 194835), (1240, 178494), (1257, 176080), (1420, 155868), (1488, 148745), (1676, 132060), (1704, 129890), (1860, 118996), (2095, 105648), (2130, 103912), (2201, 100560), (2480, 89247), (2514, 88040), (2840, 77934), (3352, 66030), (3408, 64945), (3720, 59498), (4190, 52824), (4260, 51956), (4402, 50280), (5028, 44020), (5680, 38967), (6285, 35216), (6603, 33520), (6704, 33015), (7440, 29749), (8380, 26412), (8520, 25978), (8804, 25140), (10056, 22010), (11005, 20112), (12570, 17608), (12989, 17040), (13206, 16760)]