244637640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{4021}}^1$

素因数の和:4064

約数の個数: 144

約数和(自身を含む): 861150420

約数和(自身を除く): 616512780

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 169, 180, 195, 234, 260, 312, 338, 360, 390, 468, 507, 520, 585, 676, 780, 845, 936, 1014, 1170, 1352, 1521, 1560, 1690, 2028, 2340, 2535, 3042, 3380, 4021, 4056, 4680, 5070, 6084, 6760, 7605, 8042, 10140, 12063, 12168, 15210, 16084, 20105, 20280, 24126, 30420, 32168, 36189, 40210, 48252, 52273, 60315, 60840, 72378, 80420, 96504, 104546, 120630, 144756, 156819, 160840, 180945, 209092, 241260, 261365, 289512, 313638, 361890, 418184, 470457, 482520, 522730, 627276, 679549, 723780, 784095, 940914, 1045460, 1254552, 1359098, 1447560, 1568190, 1881828, 2038647, 2090920, 2352285, 2718196, 3136380, 3397745, 3763656, 4077294, 4704570, 5436392, 6115941, 6272760, 6795490, 8154588, 9409140, 10193235, 12231882, 13590980, 16309176, 18818280, 20386470, 24463764, 27181960, 30579705, 40772940, 48927528, 61159410, 81545880, 122318820, 244637640]

約数ペア:

[(1, 244637640), (2, 122318820), (3, 81545880), (4, 61159410), (5, 48927528), (6, 40772940), (8, 30579705), (9, 27181960), (10, 24463764), (12, 20386470), (13, 18818280), (15, 16309176), (18, 13590980), (20, 12231882), (24, 10193235), (26, 9409140), (30, 8154588), (36, 6795490), (39, 6272760), (40, 6115941), (45, 5436392), (52, 4704570), (60, 4077294), (65, 3763656), (72, 3397745), (78, 3136380), (90, 2718196), (104, 2352285), (117, 2090920), (120, 2038647), (130, 1881828), (156, 1568190), (169, 1447560), (180, 1359098), (195, 1254552), (234, 1045460), (260, 940914), (312, 784095), (338, 723780), (360, 679549), (390, 627276), (468, 522730), (507, 482520), (520, 470457), (585, 418184), (676, 361890), (780, 313638), (845, 289512), (936, 261365), (1014, 241260), (1170, 209092), (1352, 180945), (1521, 160840), (1560, 156819), (1690, 144756), (2028, 120630), (2340, 104546), (2535, 96504), (3042, 80420), (3380, 72378), (4021, 60840), (4056, 60315), (4680, 52273), (5070, 48252), (6084, 40210), (6760, 36189), (7605, 32168), (8042, 30420), (10140, 24126), (12063, 20280), (12168, 20105), (15210, 16084)]