128772800

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1$

素因数の和:227

約数の個数: 168

約数和(自身を含む): 351873312

約数和(自身を除く): 223100512

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 41, 50, 52, 64, 65, 80, 82, 100, 104, 130, 151, 160, 164, 200, 205, 208, 260, 302, 320, 325, 328, 400, 410, 416, 520, 533, 604, 650, 656, 755, 800, 820, 832, 1025, 1040, 1066, 1208, 1300, 1312, 1510, 1600, 1640, 1963, 2050, 2080, 2132, 2416, 2600, 2624, 2665, 3020, 3280, 3775, 3926, 4100, 4160, 4264, 4832, 5200, 5330, 6040, 6191, 6560, 7550, 7852, 8200, 8528, 9664, 9815, 10400, 10660, 12080, 12382, 13120, 13325, 15100, 15704, 16400, 17056, 19630, 20800, 21320, 24160, 24764, 26650, 30200, 30955, 31408, 32800, 34112, 39260, 42640, 48320, 49075, 49528, 53300, 60400, 61910, 62816, 65600, 78520, 80483, 85280, 98150, 99056, 106600, 120800, 123820, 125632, 154775, 157040, 160966, 170560, 196300, 198112, 213200, 241600, 247640, 309550, 314080, 321932, 392600, 396224, 402415, 426400, 495280, 619100, 628160, 643864, 785200, 804830, 852800, 990560, 1238200, 1287728, 1570400, 1609660, 1981120, 2012075, 2476400, 2575456, 3140800, 3219320, 4024150, 4952800, 5150912, 6438640, 8048300, 9905600, 12877280, 16096600, 25754560, 32193200, 64386400, 128772800]

約数ペア:

[(1, 128772800), (2, 64386400), (4, 32193200), (5, 25754560), (8, 16096600), (10, 12877280), (13, 9905600), (16, 8048300), (20, 6438640), (25, 5150912), (26, 4952800), (32, 4024150), (40, 3219320), (41, 3140800), (50, 2575456), (52, 2476400), (64, 2012075), (65, 1981120), (80, 1609660), (82, 1570400), (100, 1287728), (104, 1238200), (130, 990560), (151, 852800), (160, 804830), (164, 785200), (200, 643864), (205, 628160), (208, 619100), (260, 495280), (302, 426400), (320, 402415), (325, 396224), (328, 392600), (400, 321932), (410, 314080), (416, 309550), (520, 247640), (533, 241600), (604, 213200), (650, 198112), (656, 196300), (755, 170560), (800, 160966), (820, 157040), (832, 154775), (1025, 125632), (1040, 123820), (1066, 120800), (1208, 106600), (1300, 99056), (1312, 98150), (1510, 85280), (1600, 80483), (1640, 78520), (1963, 65600), (2050, 62816), (2080, 61910), (2132, 60400), (2416, 53300), (2600, 49528), (2624, 49075), (2665, 48320), (3020, 42640), (3280, 39260), (3775, 34112), (3926, 32800), (4100, 31408), (4160, 30955), (4264, 30200), (4832, 26650), (5200, 24764), (5330, 24160), (6040, 21320), (6191, 20800), (6560, 19630), (7550, 17056), (7852, 16400), (8200, 15704), (8528, 15100), (9664, 13325), (9815, 13120), (10400, 12382), (10660, 12080)]