256250340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2417}}^1$

素因数の和:2482

約数の個数: 144

約数和(自身を含む): 844945920

約数和(自身を除く): 588695580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 31, 36, 38, 45, 57, 60, 62, 76, 90, 93, 95, 114, 124, 155, 171, 180, 186, 190, 228, 279, 285, 310, 342, 372, 380, 465, 558, 570, 589, 620, 684, 855, 930, 1116, 1140, 1178, 1395, 1710, 1767, 1860, 2356, 2417, 2790, 2945, 3420, 3534, 4834, 5301, 5580, 5890, 7068, 7251, 8835, 9668, 10602, 11780, 12085, 14502, 17670, 21204, 21753, 24170, 26505, 29004, 35340, 36255, 43506, 45923, 48340, 53010, 72510, 74927, 87012, 91846, 106020, 108765, 137769, 145020, 149854, 183692, 217530, 224781, 229615, 275538, 299708, 374635, 413307, 435060, 449562, 459230, 551076, 674343, 688845, 749270, 826614, 899124, 918460, 1123905, 1348686, 1377690, 1423613, 1498540, 1653228, 2066535, 2247810, 2697372, 2755380, 2847226, 3371715, 4133070, 4270839, 4495620, 5694452, 6743430, 7118065, 8266140, 8541678, 12812517, 13486860, 14236130, 17083356, 21354195, 25625034, 28472260, 42708390, 51250068, 64062585, 85416780, 128125170, 256250340]

約数ペア:

[(1, 256250340), (2, 128125170), (3, 85416780), (4, 64062585), (5, 51250068), (6, 42708390), (9, 28472260), (10, 25625034), (12, 21354195), (15, 17083356), (18, 14236130), (19, 13486860), (20, 12812517), (30, 8541678), (31, 8266140), (36, 7118065), (38, 6743430), (45, 5694452), (57, 4495620), (60, 4270839), (62, 4133070), (76, 3371715), (90, 2847226), (93, 2755380), (95, 2697372), (114, 2247810), (124, 2066535), (155, 1653228), (171, 1498540), (180, 1423613), (186, 1377690), (190, 1348686), (228, 1123905), (279, 918460), (285, 899124), (310, 826614), (342, 749270), (372, 688845), (380, 674343), (465, 551076), (558, 459230), (570, 449562), (589, 435060), (620, 413307), (684, 374635), (855, 299708), (930, 275538), (1116, 229615), (1140, 224781), (1178, 217530), (1395, 183692), (1710, 149854), (1767, 145020), (1860, 137769), (2356, 108765), (2417, 106020), (2790, 91846), (2945, 87012), (3420, 74927), (3534, 72510), (4834, 53010), (5301, 48340), (5580, 45923), (5890, 43506), (7068, 36255), (7251, 35340), (8835, 29004), (9668, 26505), (10602, 24170), (11780, 21753), (12085, 21204), (14502, 17670)]