51619960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:381

約数の個数: 128

約数和(自身を含む): 144691200

約数和(自身を除く): 93071240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 31, 35, 38, 40, 56, 62, 70, 76, 95, 124, 133, 140, 152, 155, 190, 217, 248, 266, 280, 310, 313, 380, 434, 532, 589, 620, 626, 665, 760, 868, 1064, 1085, 1178, 1240, 1252, 1330, 1565, 1736, 2170, 2191, 2356, 2504, 2660, 2945, 3130, 4123, 4340, 4382, 4712, 5320, 5890, 5947, 6260, 8246, 8680, 8764, 9703, 10955, 11780, 11894, 12520, 16492, 17528, 19406, 20615, 21910, 23560, 23788, 29735, 32984, 38812, 41230, 41629, 43820, 47576, 48515, 59470, 67921, 77624, 82460, 83258, 87640, 97030, 118940, 135842, 164920, 166516, 184357, 194060, 208145, 237880, 271684, 333032, 339605, 368714, 388120, 416290, 543368, 679210, 737428, 832580, 921785, 1290499, 1358420, 1474856, 1665160, 1843570, 2580998, 2716840, 3687140, 5161996, 6452495, 7374280, 10323992, 12904990, 25809980, 51619960]

約数ペア:

[(1, 51619960), (2, 25809980), (4, 12904990), (5, 10323992), (7, 7374280), (8, 6452495), (10, 5161996), (14, 3687140), (19, 2716840), (20, 2580998), (28, 1843570), (31, 1665160), (35, 1474856), (38, 1358420), (40, 1290499), (56, 921785), (62, 832580), (70, 737428), (76, 679210), (95, 543368), (124, 416290), (133, 388120), (140, 368714), (152, 339605), (155, 333032), (190, 271684), (217, 237880), (248, 208145), (266, 194060), (280, 184357), (310, 166516), (313, 164920), (380, 135842), (434, 118940), (532, 97030), (589, 87640), (620, 83258), (626, 82460), (665, 77624), (760, 67921), (868, 59470), (1064, 48515), (1085, 47576), (1178, 43820), (1240, 41629), (1252, 41230), (1330, 38812), (1565, 32984), (1736, 29735), (2170, 23788), (2191, 23560), (2356, 21910), (2504, 20615), (2660, 19406), (2945, 17528), (3130, 16492), (4123, 12520), (4340, 11894), (4382, 11780), (4712, 10955), (5320, 9703), (5890, 8764), (5947, 8680), (6260, 8246)]