18698782140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1\times {\mathrm{3797}}^1$

素因数の和:4172

約数の個数: 144

約数和(自身を含む): 57483185760

約数和(自身を除く): 38784403620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 180, 218, 251, 327, 436, 502, 545, 654, 753, 981, 1004, 1090, 1255, 1308, 1506, 1635, 1962, 2180, 2259, 2510, 3012, 3270, 3765, 3797, 3924, 4518, 4905, 5020, 6540, 7530, 7594, 9036, 9810, 11295, 11391, 15060, 15188, 18985, 19620, 22590, 22782, 27359, 34173, 37970, 45180, 45564, 54718, 56955, 68346, 75940, 82077, 109436, 113910, 136692, 136795, 164154, 170865, 227820, 246231, 273590, 328308, 341730, 410385, 413873, 492462, 547180, 683460, 820770, 827746, 953047, 984924, 1231155, 1241619, 1641540, 1655492, 1906094, 2069365, 2462310, 2483238, 2859141, 3724857, 3812188, 4138730, 4765235, 4924620, 4966476, 5718282, 6208095, 7449714, 8277460, 8577423, 9530470, 11436564, 12416190, 14295705, 14899428, 17154846, 18624285, 19060940, 24832380, 28591410, 34309692, 37248570, 42887115, 57182820, 74497140, 85774230, 103882123, 171548460, 207764246, 311646369, 415528492, 519410615, 623292738, 934939107, 1038821230, 1246585476, 1558231845, 1869878214, 2077642460, 3116463690, 3739756428, 4674695535, 6232927380, 9349391070, 18698782140]

約数ペア:

[(1, 18698782140), (2, 9349391070), (3, 6232927380), (4, 4674695535), (5, 3739756428), (6, 3116463690), (9, 2077642460), (10, 1869878214), (12, 1558231845), (15, 1246585476), (18, 1038821230), (20, 934939107), (30, 623292738), (36, 519410615), (45, 415528492), (60, 311646369), (90, 207764246), (109, 171548460), (180, 103882123), (218, 85774230), (251, 74497140), (327, 57182820), (436, 42887115), (502, 37248570), (545, 34309692), (654, 28591410), (753, 24832380), (981, 19060940), (1004, 18624285), (1090, 17154846), (1255, 14899428), (1308, 14295705), (1506, 12416190), (1635, 11436564), (1962, 9530470), (2180, 8577423), (2259, 8277460), (2510, 7449714), (3012, 6208095), (3270, 5718282), (3765, 4966476), (3797, 4924620), (3924, 4765235), (4518, 4138730), (4905, 3812188), (5020, 3724857), (6540, 2859141), (7530, 2483238), (7594, 2462310), (9036, 2069365), (9810, 1906094), (11295, 1655492), (11391, 1641540), (15060, 1241619), (15188, 1231155), (18985, 984924), (19620, 953047), (22590, 827746), (22782, 820770), (27359, 683460), (34173, 547180), (37970, 492462), (45180, 413873), (45564, 410385), (54718, 341730), (56955, 328308), (68346, 273590), (75940, 246231), (82077, 227820), (109436, 170865), (113910, 164154), (136692, 136795)]