520251920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:305

約数の個数: 160

約数和(自身を含む): 1343247360

約数和(自身を除く): 822995440

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 61, 62, 76, 80, 95, 122, 124, 152, 155, 181, 190, 244, 248, 304, 305, 310, 362, 380, 488, 496, 589, 610, 620, 724, 760, 905, 976, 1159, 1178, 1220, 1240, 1448, 1520, 1810, 1891, 2318, 2356, 2440, 2480, 2896, 2945, 3439, 3620, 3782, 4636, 4712, 4880, 5611, 5795, 5890, 6878, 7240, 7564, 9272, 9424, 9455, 11041, 11222, 11590, 11780, 13756, 14480, 15128, 17195, 18544, 18910, 22082, 22444, 23180, 23560, 27512, 28055, 30256, 34390, 35929, 37820, 44164, 44888, 46360, 47120, 55024, 55205, 56110, 68780, 71858, 75640, 88328, 89776, 92720, 106609, 110410, 112220, 137560, 143716, 151280, 176656, 179645, 209779, 213218, 220820, 224440, 275120, 287432, 342271, 359290, 419558, 426436, 441640, 448880, 533045, 574864, 684542, 718580, 839116, 852872, 883280, 1048895, 1066090, 1369084, 1437160, 1678232, 1705744, 1711355, 2097790, 2132180, 2738168, 2874320, 3356464, 3422710, 4195580, 4264360, 5476336, 6503149, 6845420, 8391160, 8528720, 13006298, 13690840, 16782320, 26012596, 27381680, 32515745, 52025192, 65031490, 104050384, 130062980, 260125960, 520251920]

約数ペア:

[(1, 520251920), (2, 260125960), (4, 130062980), (5, 104050384), (8, 65031490), (10, 52025192), (16, 32515745), (19, 27381680), (20, 26012596), (31, 16782320), (38, 13690840), (40, 13006298), (61, 8528720), (62, 8391160), (76, 6845420), (80, 6503149), (95, 5476336), (122, 4264360), (124, 4195580), (152, 3422710), (155, 3356464), (181, 2874320), (190, 2738168), (244, 2132180), (248, 2097790), (304, 1711355), (305, 1705744), (310, 1678232), (362, 1437160), (380, 1369084), (488, 1066090), (496, 1048895), (589, 883280), (610, 852872), (620, 839116), (724, 718580), (760, 684542), (905, 574864), (976, 533045), (1159, 448880), (1178, 441640), (1220, 426436), (1240, 419558), (1448, 359290), (1520, 342271), (1810, 287432), (1891, 275120), (2318, 224440), (2356, 220820), (2440, 213218), (2480, 209779), (2896, 179645), (2945, 176656), (3439, 151280), (3620, 143716), (3782, 137560), (4636, 112220), (4712, 110410), (4880, 106609), (5611, 92720), (5795, 89776), (5890, 88328), (6878, 75640), (7240, 71858), (7564, 68780), (9272, 56110), (9424, 55205), (9455, 55024), (11041, 47120), (11222, 46360), (11590, 44888), (11780, 44164), (13756, 37820), (14480, 35929), (15128, 34390), (17195, 30256), (18544, 28055), (18910, 27512), (22082, 23560), (22444, 23180)]