21273912900

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{167}}^1\times {\mathrm{15727}}^1$

素因数の和:15920

約数の個数: 180

約数和(自身を含む): 69378976128

約数和(自身を除く): 48105063228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 167, 180, 225, 270, 300, 324, 334, 405, 450, 501, 540, 668, 675, 810, 835, 900, 1002, 1350, 1503, 1620, 1670, 2004, 2025, 2505, 2700, 3006, 3340, 4050, 4175, 4509, 5010, 6012, 7515, 8100, 8350, 9018, 10020, 12525, 13527, 15030, 15727, 16700, 18036, 22545, 25050, 27054, 30060, 31454, 37575, 45090, 47181, 50100, 54108, 62908, 67635, 75150, 78635, 90180, 94362, 112725, 135270, 141543, 150300, 157270, 188724, 225450, 235905, 270540, 283086, 314540, 338175, 393175, 424629, 450900, 471810, 566172, 676350, 707715, 786350, 849258, 943620, 1179525, 1273887, 1352700, 1415430, 1572700, 1698516, 2123145, 2359050, 2547774, 2626409, 2830860, 3538575, 4246290, 4718100, 5095548, 5252818, 6369435, 7077150, 7879227, 8492580, 10505636, 10615725, 12738870, 13132045, 14154300, 15758454, 21231450, 23637681, 25477740, 26264090, 31516908, 31847175, 39396135, 42462900, 47275362, 52528180, 63694350, 65660225, 70913043, 78792270, 94550724, 118188405, 127388700, 131320450, 141826086, 157584540, 196980675, 212739129, 236376810, 262640900, 283652172, 354565215, 393961350, 425478258, 472753620, 590942025, 709130430, 787922700, 850956516, 1063695645, 1181884050, 1418260860, 1772826075, 2127391290, 2363768100, 3545652150, 4254782580, 5318478225, 7091304300, 10636956450, 21273912900]

約数ペア:

[(1, 21273912900), (2, 10636956450), (3, 7091304300), (4, 5318478225), (5, 4254782580), (6, 3545652150), (9, 2363768100), (10, 2127391290), (12, 1772826075), (15, 1418260860), (18, 1181884050), (20, 1063695645), (25, 850956516), (27, 787922700), (30, 709130430), (36, 590942025), (45, 472753620), (50, 425478258), (54, 393961350), (60, 354565215), (75, 283652172), (81, 262640900), (90, 236376810), (100, 212739129), (108, 196980675), (135, 157584540), (150, 141826086), (162, 131320450), (167, 127388700), (180, 118188405), (225, 94550724), (270, 78792270), (300, 70913043), (324, 65660225), (334, 63694350), (405, 52528180), (450, 47275362), (501, 42462900), (540, 39396135), (668, 31847175), (675, 31516908), (810, 26264090), (835, 25477740), (900, 23637681), (1002, 21231450), (1350, 15758454), (1503, 14154300), (1620, 13132045), (1670, 12738870), (2004, 10615725), (2025, 10505636), (2505, 8492580), (2700, 7879227), (3006, 7077150), (3340, 6369435), (4050, 5252818), (4175, 5095548), (4509, 4718100), (5010, 4246290), (6012, 3538575), (7515, 2830860), (8100, 2626409), (8350, 2547774), (9018, 2359050), (10020, 2123145), (12525, 1698516), (13527, 1572700), (15030, 1415430), (15727, 1352700), (16700, 1273887), (18036, 1179525), (22545, 943620), (25050, 849258), (27054, 786350), (30060, 707715), (31454, 676350), (37575, 566172), (45090, 471810), (47181, 450900), (50100, 424629), (54108, 393175), (62908, 338175), (67635, 314540), (75150, 283086), (78635, 270540), (90180, 235905), (94362, 225450), (112725, 188724), (135270, 157270), (141543, 150300)]