258173580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:380

約数の個数: 192

約数和(自身を含む): 867041280

約数和(自身を除く): 608867700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 79, 84, 93, 105, 124, 140, 155, 158, 186, 210, 217, 237, 251, 310, 316, 372, 395, 420, 434, 465, 474, 502, 553, 620, 651, 753, 790, 868, 930, 948, 1004, 1085, 1106, 1185, 1255, 1302, 1506, 1580, 1659, 1757, 1860, 2170, 2212, 2370, 2449, 2510, 2604, 2765, 3012, 3255, 3318, 3514, 3765, 4340, 4740, 4898, 5020, 5271, 5530, 6510, 6636, 7028, 7347, 7530, 7781, 8295, 8785, 9796, 10542, 11060, 12245, 13020, 14694, 15060, 15562, 16590, 17143, 17570, 19829, 21084, 23343, 24490, 26355, 29388, 31124, 33180, 34286, 35140, 36735, 38905, 39658, 46686, 48980, 51429, 52710, 54467, 59487, 68572, 73470, 77810, 79316, 85715, 93372, 99145, 102858, 105420, 108934, 116715, 118974, 138803, 146940, 155620, 163401, 171430, 198290, 205716, 217868, 233430, 237948, 257145, 272335, 277606, 297435, 326802, 342860, 396580, 416409, 466860, 514290, 544670, 555212, 594870, 614699, 653604, 694015, 817005, 832818, 1028580, 1089340, 1189740, 1229398, 1388030, 1634010, 1665636, 1844097, 2082045, 2458796, 2776060, 3073495, 3268020, 3688194, 4164090, 4302893, 6146990, 7376388, 8328180, 8605786, 9220485, 12293980, 12908679, 17211572, 18440970, 21514465, 25817358, 36881940, 43028930, 51634716, 64543395, 86057860, 129086790, 258173580]

約数ペア:

[(1, 258173580), (2, 129086790), (3, 86057860), (4, 64543395), (5, 51634716), (6, 43028930), (7, 36881940), (10, 25817358), (12, 21514465), (14, 18440970), (15, 17211572), (20, 12908679), (21, 12293980), (28, 9220485), (30, 8605786), (31, 8328180), (35, 7376388), (42, 6146990), (60, 4302893), (62, 4164090), (70, 3688194), (79, 3268020), (84, 3073495), (93, 2776060), (105, 2458796), (124, 2082045), (140, 1844097), (155, 1665636), (158, 1634010), (186, 1388030), (210, 1229398), (217, 1189740), (237, 1089340), (251, 1028580), (310, 832818), (316, 817005), (372, 694015), (395, 653604), (420, 614699), (434, 594870), (465, 555212), (474, 544670), (502, 514290), (553, 466860), (620, 416409), (651, 396580), (753, 342860), (790, 326802), (868, 297435), (930, 277606), (948, 272335), (1004, 257145), (1085, 237948), (1106, 233430), (1185, 217868), (1255, 205716), (1302, 198290), (1506, 171430), (1580, 163401), (1659, 155620), (1757, 146940), (1860, 138803), (2170, 118974), (2212, 116715), (2370, 108934), (2449, 105420), (2510, 102858), (2604, 99145), (2765, 93372), (3012, 85715), (3255, 79316), (3318, 77810), (3514, 73470), (3765, 68572), (4340, 59487), (4740, 54467), (4898, 52710), (5020, 51429), (5271, 48980), (5530, 46686), (6510, 39658), (6636, 38905), (7028, 36735), (7347, 35140), (7530, 34286), (7781, 33180), (8295, 31124), (8785, 29388), (9796, 26355), (10542, 24490), (11060, 23343), (12245, 21084), (13020, 19829), (14694, 17570), (15060, 17143), (15562, 16590)]