490883640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{751}}^1$

素因数の和:1197

約数の個数: 128

約数和(自身を含む): 1591833600

約数和(自身を除く): 1100949960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 419, 520, 751, 780, 838, 1257, 1502, 1560, 1676, 2095, 2253, 2514, 3004, 3352, 3755, 4190, 4506, 5028, 5447, 6008, 6285, 7510, 8380, 9012, 9763, 10056, 10894, 11265, 12570, 15020, 16341, 16760, 18024, 19526, 21788, 22530, 25140, 27235, 29289, 30040, 32682, 39052, 43576, 45060, 48815, 50280, 54470, 58578, 65364, 78104, 81705, 90120, 97630, 108940, 117156, 130728, 146445, 163410, 195260, 217880, 234312, 292890, 314669, 326820, 390520, 585780, 629338, 653640, 944007, 1171560, 1258676, 1573345, 1888014, 2517352, 3146690, 3776028, 4090697, 4720035, 6293380, 7552056, 8181394, 9440070, 12272091, 12586760, 16362788, 18880140, 20453485, 24544182, 32725576, 37760280, 40906970, 49088364, 61360455, 81813940, 98176728, 122720910, 163627880, 245441820, 490883640]

約数ペア:

[(1, 490883640), (2, 245441820), (3, 163627880), (4, 122720910), (5, 98176728), (6, 81813940), (8, 61360455), (10, 49088364), (12, 40906970), (13, 37760280), (15, 32725576), (20, 24544182), (24, 20453485), (26, 18880140), (30, 16362788), (39, 12586760), (40, 12272091), (52, 9440070), (60, 8181394), (65, 7552056), (78, 6293380), (104, 4720035), (120, 4090697), (130, 3776028), (156, 3146690), (195, 2517352), (260, 1888014), (312, 1573345), (390, 1258676), (419, 1171560), (520, 944007), (751, 653640), (780, 629338), (838, 585780), (1257, 390520), (1502, 326820), (1560, 314669), (1676, 292890), (2095, 234312), (2253, 217880), (2514, 195260), (3004, 163410), (3352, 146445), (3755, 130728), (4190, 117156), (4506, 108940), (5028, 97630), (5447, 90120), (6008, 81705), (6285, 78104), (7510, 65364), (8380, 58578), (9012, 54470), (9763, 50280), (10056, 48815), (10894, 45060), (11265, 43576), (12570, 39052), (15020, 32682), (16341, 30040), (16760, 29289), (18024, 27235), (19526, 25140), (21788, 22530)]