421799640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1597}}^1$

素因数の和:1713

約数の個数: 128

約数和(自身を含む): 1325445120

約数和(自身を除く): 903645480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 71, 93, 120, 124, 142, 155, 186, 213, 248, 284, 310, 355, 372, 426, 465, 568, 620, 710, 744, 852, 930, 1065, 1240, 1420, 1597, 1704, 1860, 2130, 2201, 2840, 3194, 3720, 4260, 4402, 4791, 6388, 6603, 7985, 8520, 8804, 9582, 11005, 12776, 13206, 15970, 17608, 19164, 22010, 23955, 26412, 31940, 33015, 38328, 44020, 47910, 49507, 52824, 63880, 66030, 88040, 95820, 99014, 113387, 132060, 148521, 191640, 198028, 226774, 247535, 264120, 297042, 340161, 396056, 453548, 495070, 566935, 594084, 680322, 742605, 907096, 990140, 1133870, 1188168, 1360644, 1485210, 1700805, 1980280, 2267740, 2721288, 2970420, 3401610, 3514997, 4535480, 5940840, 6803220, 7029994, 10544991, 13606440, 14059988, 17574985, 21089982, 28119976, 35149970, 42179964, 52724955, 70299940, 84359928, 105449910, 140599880, 210899820, 421799640]

約数ペア:

[(1, 421799640), (2, 210899820), (3, 140599880), (4, 105449910), (5, 84359928), (6, 70299940), (8, 52724955), (10, 42179964), (12, 35149970), (15, 28119976), (20, 21089982), (24, 17574985), (30, 14059988), (31, 13606440), (40, 10544991), (60, 7029994), (62, 6803220), (71, 5940840), (93, 4535480), (120, 3514997), (124, 3401610), (142, 2970420), (155, 2721288), (186, 2267740), (213, 1980280), (248, 1700805), (284, 1485210), (310, 1360644), (355, 1188168), (372, 1133870), (426, 990140), (465, 907096), (568, 742605), (620, 680322), (710, 594084), (744, 566935), (852, 495070), (930, 453548), (1065, 396056), (1240, 340161), (1420, 297042), (1597, 264120), (1704, 247535), (1860, 226774), (2130, 198028), (2201, 191640), (2840, 148521), (3194, 132060), (3720, 113387), (4260, 99014), (4402, 95820), (4791, 88040), (6388, 66030), (6603, 63880), (7985, 52824), (8520, 49507), (8804, 47910), (9582, 44020), (11005, 38328), (12776, 33015), (13206, 31940), (15970, 26412), (17608, 23955), (19164, 22010)]