639703600

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2243}}^1$

素因数の和:2315

約数の個数: 120

約数和(自身を含む): 1656179712

約数和(自身を除く): 1016476112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 31, 40, 46, 50, 62, 80, 92, 100, 115, 124, 155, 184, 200, 230, 248, 310, 368, 400, 460, 496, 575, 620, 713, 775, 920, 1150, 1240, 1426, 1550, 1840, 2243, 2300, 2480, 2852, 3100, 3565, 4486, 4600, 5704, 6200, 7130, 8972, 9200, 11215, 11408, 12400, 14260, 17825, 17944, 22430, 28520, 35650, 35888, 44860, 51589, 56075, 57040, 69533, 71300, 89720, 103178, 112150, 139066, 142600, 179440, 206356, 224300, 257945, 278132, 285200, 347665, 412712, 448600, 515890, 556264, 695330, 825424, 897200, 1031780, 1112528, 1289725, 1390660, 1599259, 1738325, 2063560, 2579450, 2781320, 3198518, 3476650, 4127120, 5158900, 5562640, 6397036, 6953300, 7996295, 10317800, 12794072, 13906600, 15992590, 20635600, 25588144, 27813200, 31985180, 39981475, 63970360, 79962950, 127940720, 159925900, 319851800, 639703600]

約数ペア:

[(1, 639703600), (2, 319851800), (4, 159925900), (5, 127940720), (8, 79962950), (10, 63970360), (16, 39981475), (20, 31985180), (23, 27813200), (25, 25588144), (31, 20635600), (40, 15992590), (46, 13906600), (50, 12794072), (62, 10317800), (80, 7996295), (92, 6953300), (100, 6397036), (115, 5562640), (124, 5158900), (155, 4127120), (184, 3476650), (200, 3198518), (230, 2781320), (248, 2579450), (310, 2063560), (368, 1738325), (400, 1599259), (460, 1390660), (496, 1289725), (575, 1112528), (620, 1031780), (713, 897200), (775, 825424), (920, 695330), (1150, 556264), (1240, 515890), (1426, 448600), (1550, 412712), (1840, 347665), (2243, 285200), (2300, 278132), (2480, 257945), (2852, 224300), (3100, 206356), (3565, 179440), (4486, 142600), (4600, 139066), (5704, 112150), (6200, 103178), (7130, 89720), (8972, 71300), (9200, 69533), (11215, 57040), (11408, 56075), (12400, 51589), (14260, 44860), (17825, 35888), (17944, 35650), (22430, 28520)]