216122580

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1879}}^1$

素因数の和:1971

約数の個数: 120

約数和(自身を含む): 687899520

約数和(自身を除く): 471776940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 71, 81, 90, 108, 135, 142, 162, 180, 213, 270, 284, 324, 355, 405, 426, 540, 639, 710, 810, 852, 1065, 1278, 1420, 1620, 1879, 1917, 2130, 2556, 3195, 3758, 3834, 4260, 5637, 5751, 6390, 7516, 7668, 9395, 9585, 11274, 11502, 12780, 16911, 18790, 19170, 22548, 23004, 28185, 28755, 33822, 37580, 38340, 50733, 56370, 57510, 67644, 84555, 101466, 112740, 115020, 133409, 152199, 169110, 202932, 253665, 266818, 304398, 338220, 400227, 507330, 533636, 608796, 667045, 760995, 800454, 1014660, 1200681, 1334090, 1521990, 1600908, 2001135, 2401362, 2668180, 3043980, 3602043, 4002270, 4802724, 6003405, 7204086, 8004540, 10806129, 12006810, 14408172, 18010215, 21612258, 24013620, 36020430, 43224516, 54030645, 72040860, 108061290, 216122580]

約数ペア:

[(1, 216122580), (2, 108061290), (3, 72040860), (4, 54030645), (5, 43224516), (6, 36020430), (9, 24013620), (10, 21612258), (12, 18010215), (15, 14408172), (18, 12006810), (20, 10806129), (27, 8004540), (30, 7204086), (36, 6003405), (45, 4802724), (54, 4002270), (60, 3602043), (71, 3043980), (81, 2668180), (90, 2401362), (108, 2001135), (135, 1600908), (142, 1521990), (162, 1334090), (180, 1200681), (213, 1014660), (270, 800454), (284, 760995), (324, 667045), (355, 608796), (405, 533636), (426, 507330), (540, 400227), (639, 338220), (710, 304398), (810, 266818), (852, 253665), (1065, 202932), (1278, 169110), (1420, 152199), (1620, 133409), (1879, 115020), (1917, 112740), (2130, 101466), (2556, 84555), (3195, 67644), (3758, 57510), (3834, 56370), (4260, 50733), (5637, 38340), (5751, 37580), (6390, 33822), (7516, 28755), (7668, 28185), (9395, 23004), (9585, 22548), (11274, 19170), (11502, 18790), (12780, 16911)]