256196700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:245

約数の個数: 216

約数和(自身を含む): 844539696

約数和(自身を除く): 588342996

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 41, 45, 50, 53, 60, 75, 82, 90, 100, 106, 123, 131, 150, 159, 164, 180, 205, 212, 225, 246, 262, 265, 300, 318, 369, 393, 410, 450, 477, 492, 524, 530, 615, 636, 655, 738, 786, 795, 820, 900, 954, 1025, 1060, 1179, 1230, 1310, 1325, 1476, 1572, 1590, 1845, 1908, 1965, 2050, 2173, 2358, 2385, 2460, 2620, 2650, 3075, 3180, 3275, 3690, 3930, 3975, 4100, 4346, 4716, 4770, 5300, 5371, 5895, 6150, 6519, 6550, 6943, 7380, 7860, 7950, 8692, 9225, 9540, 9825, 10742, 10865, 11790, 11925, 12300, 13038, 13100, 13886, 15900, 16113, 18450, 19557, 19650, 20829, 21484, 21730, 23580, 23850, 26076, 26855, 27772, 29475, 32226, 32595, 34715, 36900, 39114, 39300, 41658, 43460, 47700, 48339, 53710, 54325, 58950, 62487, 64452, 65190, 69430, 78228, 80565, 83316, 96678, 97785, 104145, 107420, 108650, 117900, 124974, 130380, 134275, 138860, 161130, 162975, 173575, 193356, 195570, 208290, 217300, 241695, 249948, 268550, 284663, 312435, 322260, 325950, 347150, 391140, 402825, 416580, 483390, 488925, 520725, 537100, 569326, 624870, 651900, 694300, 805650, 853989, 966780, 977850, 1041450, 1138652, 1208475, 1249740, 1423315, 1562175, 1611300, 1707978, 1955700, 2082900, 2416950, 2561967, 2846630, 3124350, 3415956, 4269945, 4833900, 5123934, 5693260, 6248700, 7116575, 8539890, 10247868, 12809835, 14233150, 17079780, 21349725, 25619670, 28466300, 42699450, 51239340, 64049175, 85398900, 128098350, 256196700]

約数ペア:

[(1, 256196700), (2, 128098350), (3, 85398900), (4, 64049175), (5, 51239340), (6, 42699450), (9, 28466300), (10, 25619670), (12, 21349725), (15, 17079780), (18, 14233150), (20, 12809835), (25, 10247868), (30, 8539890), (36, 7116575), (41, 6248700), (45, 5693260), (50, 5123934), (53, 4833900), (60, 4269945), (75, 3415956), (82, 3124350), (90, 2846630), (100, 2561967), (106, 2416950), (123, 2082900), (131, 1955700), (150, 1707978), (159, 1611300), (164, 1562175), (180, 1423315), (205, 1249740), (212, 1208475), (225, 1138652), (246, 1041450), (262, 977850), (265, 966780), (300, 853989), (318, 805650), (369, 694300), (393, 651900), (410, 624870), (450, 569326), (477, 537100), (492, 520725), (524, 488925), (530, 483390), (615, 416580), (636, 402825), (655, 391140), (738, 347150), (786, 325950), (795, 322260), (820, 312435), (900, 284663), (954, 268550), (1025, 249948), (1060, 241695), (1179, 217300), (1230, 208290), (1310, 195570), (1325, 193356), (1476, 173575), (1572, 162975), (1590, 161130), (1845, 138860), (1908, 134275), (1965, 130380), (2050, 124974), (2173, 117900), (2358, 108650), (2385, 107420), (2460, 104145), (2620, 97785), (2650, 96678), (3075, 83316), (3180, 80565), (3275, 78228), (3690, 69430), (3930, 65190), (3975, 64452), (4100, 62487), (4346, 58950), (4716, 54325), (4770, 53710), (5300, 48339), (5371, 47700), (5895, 43460), (6150, 41658), (6519, 39300), (6550, 39114), (6943, 36900), (7380, 34715), (7860, 32595), (7950, 32226), (8692, 29475), (9225, 27772), (9540, 26855), (9825, 26076), (10742, 23850), (10865, 23580), (11790, 21730), (11925, 21484), (12300, 20829), (13038, 19650), (13100, 19557), (13886, 18450), (15900, 16113)]