251595240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:276

約数の個数: 256

約数和(自身を含む): 881798400

約数和(自身を除く): 630203160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 53, 60, 65, 68, 78, 85, 102, 104, 106, 120, 130, 136, 156, 159, 170, 179, 195, 204, 212, 221, 255, 260, 265, 312, 318, 340, 358, 390, 408, 424, 442, 510, 520, 530, 537, 636, 663, 680, 689, 716, 780, 795, 884, 895, 901, 1020, 1060, 1074, 1105, 1272, 1326, 1378, 1432, 1560, 1590, 1768, 1790, 1802, 2040, 2067, 2120, 2148, 2210, 2327, 2652, 2685, 2703, 2756, 3043, 3180, 3315, 3445, 3580, 3604, 4134, 4296, 4420, 4505, 4654, 5304, 5370, 5406, 5512, 6086, 6360, 6630, 6890, 6981, 7160, 7208, 8268, 8840, 9010, 9129, 9308, 9487, 10335, 10740, 10812, 11635, 11713, 12172, 13260, 13515, 13780, 13962, 15215, 16536, 18020, 18258, 18616, 18974, 20670, 21480, 21624, 23270, 23426, 24344, 26520, 27030, 27560, 27924, 28461, 30430, 34905, 35139, 36040, 36516, 37948, 39559, 41340, 45645, 46540, 46852, 47435, 54060, 55848, 56922, 58565, 60860, 69810, 70278, 73032, 75896, 79118, 82680, 91290, 93080, 93704, 94870, 108120, 113844, 117130, 118677, 121720, 123331, 139620, 140556, 142305, 158236, 161279, 175695, 182580, 189740, 197795, 227688, 234260, 237354, 246662, 279240, 281112, 284610, 316472, 322558, 351390, 365160, 369993, 379480, 395590, 468520, 474708, 483837, 493324, 569220, 593385, 616655, 645116, 702780, 739986, 791180, 806395, 949416, 967674, 986648, 1138440, 1186770, 1233310, 1290232, 1405560, 1479972, 1582360, 1612790, 1849965, 1935348, 2096627, 2373540, 2419185, 2466620, 2959944, 3225580, 3699930, 3870696, 4193254, 4747080, 4838370, 4933240, 6289881, 6451160, 7399860, 8386508, 9676740, 10483135, 12579762, 14799720, 16773016, 19353480, 20966270, 25159524, 31449405, 41932540, 50319048, 62898810, 83865080, 125797620, 251595240]

約数ペア:

[(1, 251595240), (2, 125797620), (3, 83865080), (4, 62898810), (5, 50319048), (6, 41932540), (8, 31449405), (10, 25159524), (12, 20966270), (13, 19353480), (15, 16773016), (17, 14799720), (20, 12579762), (24, 10483135), (26, 9676740), (30, 8386508), (34, 7399860), (39, 6451160), (40, 6289881), (51, 4933240), (52, 4838370), (53, 4747080), (60, 4193254), (65, 3870696), (68, 3699930), (78, 3225580), (85, 2959944), (102, 2466620), (104, 2419185), (106, 2373540), (120, 2096627), (130, 1935348), (136, 1849965), (156, 1612790), (159, 1582360), (170, 1479972), (179, 1405560), (195, 1290232), (204, 1233310), (212, 1186770), (221, 1138440), (255, 986648), (260, 967674), (265, 949416), (312, 806395), (318, 791180), (340, 739986), (358, 702780), (390, 645116), (408, 616655), (424, 593385), (442, 569220), (510, 493324), (520, 483837), (530, 474708), (537, 468520), (636, 395590), (663, 379480), (680, 369993), (689, 365160), (716, 351390), (780, 322558), (795, 316472), (884, 284610), (895, 281112), (901, 279240), (1020, 246662), (1060, 237354), (1074, 234260), (1105, 227688), (1272, 197795), (1326, 189740), (1378, 182580), (1432, 175695), (1560, 161279), (1590, 158236), (1768, 142305), (1790, 140556), (1802, 139620), (2040, 123331), (2067, 121720), (2120, 118677), (2148, 117130), (2210, 113844), (2327, 108120), (2652, 94870), (2685, 93704), (2703, 93080), (2756, 91290), (3043, 82680), (3180, 79118), (3315, 75896), (3445, 73032), (3580, 70278), (3604, 69810), (4134, 60860), (4296, 58565), (4420, 56922), (4505, 55848), (4654, 54060), (5304, 47435), (5370, 46852), (5406, 46540), (5512, 45645), (6086, 41340), (6360, 39559), (6630, 37948), (6890, 36516), (6981, 36040), (7160, 35139), (7208, 34905), (8268, 30430), (8840, 28461), (9010, 27924), (9129, 27560), (9308, 27030), (9487, 26520), (10335, 24344), (10740, 23426), (10812, 23270), (11635, 21624), (11713, 21480), (12172, 20670), (13260, 18974), (13515, 18616), (13780, 18258), (13962, 18020), (15215, 16536)]