278813280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{73}}^2\times {\mathrm{109}}^1$

素因数の和:273

約数の個数: 144

約数和(自身を含む): 898626960

約数和(自身を除く): 619813680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 73, 80, 96, 109, 120, 146, 160, 218, 219, 240, 292, 327, 365, 436, 438, 480, 545, 584, 654, 730, 872, 876, 1090, 1095, 1168, 1308, 1460, 1635, 1744, 1752, 2180, 2190, 2336, 2616, 2920, 3270, 3488, 3504, 4360, 4380, 5232, 5329, 5840, 6540, 7008, 7957, 8720, 8760, 10464, 10658, 11680, 13080, 15914, 15987, 17440, 17520, 21316, 23871, 26160, 26645, 31828, 31974, 35040, 39785, 42632, 47742, 52320, 53290, 63656, 63948, 79570, 79935, 85264, 95484, 106580, 119355, 127312, 127896, 159140, 159870, 170528, 190968, 213160, 238710, 254624, 255792, 318280, 319740, 381936, 426320, 477420, 511584, 580861, 636560, 639480, 763872, 852640, 954840, 1161722, 1273120, 1278960, 1742583, 1909680, 2323444, 2557920, 2904305, 3485166, 3819360, 4646888, 5808610, 6970332, 8712915, 9293776, 11617220, 13940664, 17425830, 18587552, 23234440, 27881328, 34851660, 46468880, 55762656, 69703320, 92937760, 139406640, 278813280]

約数ペア:

[(1, 278813280), (2, 139406640), (3, 92937760), (4, 69703320), (5, 55762656), (6, 46468880), (8, 34851660), (10, 27881328), (12, 23234440), (15, 18587552), (16, 17425830), (20, 13940664), (24, 11617220), (30, 9293776), (32, 8712915), (40, 6970332), (48, 5808610), (60, 4646888), (73, 3819360), (80, 3485166), (96, 2904305), (109, 2557920), (120, 2323444), (146, 1909680), (160, 1742583), (218, 1278960), (219, 1273120), (240, 1161722), (292, 954840), (327, 852640), (365, 763872), (436, 639480), (438, 636560), (480, 580861), (545, 511584), (584, 477420), (654, 426320), (730, 381936), (872, 319740), (876, 318280), (1090, 255792), (1095, 254624), (1168, 238710), (1308, 213160), (1460, 190968), (1635, 170528), (1744, 159870), (1752, 159140), (2180, 127896), (2190, 127312), (2336, 119355), (2616, 106580), (2920, 95484), (3270, 85264), (3488, 79935), (3504, 79570), (4360, 63948), (4380, 63656), (5232, 53290), (5329, 52320), (5840, 47742), (6540, 42632), (7008, 39785), (7957, 35040), (8720, 31974), (8760, 31828), (10464, 26645), (10658, 26160), (11680, 23871), (13080, 21316), (15914, 17520), (15987, 17440)]