2556450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:73

約数の個数: 144

約数和(自身を含む): 8124480

約数和(自身を除く): 5568030

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 19, 23, 25, 26, 30, 38, 39, 45, 46, 50, 57, 65, 69, 75, 78, 90, 95, 114, 115, 117, 130, 138, 150, 171, 190, 195, 207, 225, 230, 234, 247, 285, 299, 325, 342, 345, 390, 414, 437, 450, 475, 494, 570, 575, 585, 598, 650, 690, 741, 855, 874, 897, 950, 975, 1035, 1150, 1170, 1235, 1311, 1425, 1482, 1495, 1710, 1725, 1794, 1950, 2070, 2185, 2223, 2470, 2622, 2691, 2850, 2925, 2990, 3450, 3705, 3933, 4275, 4370, 4446, 4485, 5175, 5382, 5681, 5850, 6175, 6555, 7410, 7475, 7866, 8550, 8970, 10350, 10925, 11115, 11362, 12350, 13110, 13455, 14950, 17043, 18525, 19665, 21850, 22230, 22425, 26910, 28405, 32775, 34086, 37050, 39330, 44850, 51129, 55575, 56810, 65550, 67275, 85215, 98325, 102258, 111150, 134550, 142025, 170430, 196650, 255645, 284050, 426075, 511290, 852150, 1278225, 2556450]

約数ペア:

[(1, 2556450), (2, 1278225), (3, 852150), (5, 511290), (6, 426075), (9, 284050), (10, 255645), (13, 196650), (15, 170430), (18, 142025), (19, 134550), (23, 111150), (25, 102258), (26, 98325), (30, 85215), (38, 67275), (39, 65550), (45, 56810), (46, 55575), (50, 51129), (57, 44850), (65, 39330), (69, 37050), (75, 34086), (78, 32775), (90, 28405), (95, 26910), (114, 22425), (115, 22230), (117, 21850), (130, 19665), (138, 18525), (150, 17043), (171, 14950), (190, 13455), (195, 13110), (207, 12350), (225, 11362), (230, 11115), (234, 10925), (247, 10350), (285, 8970), (299, 8550), (325, 7866), (342, 7475), (345, 7410), (390, 6555), (414, 6175), (437, 5850), (450, 5681), (475, 5382), (494, 5175), (570, 4485), (575, 4446), (585, 4370), (598, 4275), (650, 3933), (690, 3705), (741, 3450), (855, 2990), (874, 2925), (897, 2850), (950, 2691), (975, 2622), (1035, 2470), (1150, 2223), (1170, 2185), (1235, 2070), (1311, 1950), (1425, 1794), (1482, 1725), (1495, 1710)]