649351920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{55217}}^1$

素因数の和:55247

約数の個数: 120

約数和(自身を含む): 2341684944

約数和(自身を除く): 1692333024

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2940, 3920, 5880, 11760, 55217, 110434, 165651, 220868, 276085, 331302, 386519, 441736, 552170, 662604, 773038, 828255, 883472, 1104340, 1159557, 1325208, 1546076, 1656510, 1932595, 2208680, 2319114, 2650416, 2705633, 3092152, 3313020, 3865190, 4417360, 4638228, 5411266, 5797785, 6184304, 6626040, 7730380, 8116899, 9276456, 10822532, 11595570, 13252080, 13528165, 15460760, 16233798, 18552912, 21645064, 23191140, 27056330, 30921520, 32467596, 40584495, 43290128, 46382280, 54112660, 64935192, 81168990, 92764560, 108225320, 129870384, 162337980, 216450640, 324675960, 649351920]

約数ペア:

[(1, 649351920), (2, 324675960), (3, 216450640), (4, 162337980), (5, 129870384), (6, 108225320), (7, 92764560), (8, 81168990), (10, 64935192), (12, 54112660), (14, 46382280), (15, 43290128), (16, 40584495), (20, 32467596), (21, 30921520), (24, 27056330), (28, 23191140), (30, 21645064), (35, 18552912), (40, 16233798), (42, 15460760), (48, 13528165), (49, 13252080), (56, 11595570), (60, 10822532), (70, 9276456), (80, 8116899), (84, 7730380), (98, 6626040), (105, 6184304), (112, 5797785), (120, 5411266), (140, 4638228), (147, 4417360), (168, 3865190), (196, 3313020), (210, 3092152), (240, 2705633), (245, 2650416), (280, 2319114), (294, 2208680), (336, 1932595), (392, 1656510), (420, 1546076), (490, 1325208), (560, 1159557), (588, 1104340), (735, 883472), (784, 828255), (840, 773038), (980, 662604), (1176, 552170), (1470, 441736), (1680, 386519), (1960, 331302), (2352, 276085), (2940, 220868), (3920, 165651), (5880, 110434), (11760, 55217)]