15521220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1$

素因数の和:112

約数の個数: 240

約数和(自身を含む): 58056768

約数和(自身を除く): 42535548

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 27, 30, 33, 36, 39, 44, 45, 52, 54, 55, 60, 65, 66, 67, 78, 81, 90, 99, 108, 110, 117, 130, 132, 134, 135, 143, 156, 162, 165, 180, 195, 198, 201, 220, 234, 260, 268, 270, 286, 297, 324, 330, 335, 351, 390, 396, 402, 405, 429, 468, 495, 540, 572, 585, 594, 603, 660, 670, 702, 715, 737, 780, 804, 810, 858, 871, 891, 990, 1005, 1053, 1170, 1188, 1206, 1287, 1340, 1404, 1430, 1474, 1485, 1620, 1716, 1742, 1755, 1782, 1809, 1980, 2010, 2106, 2145, 2211, 2340, 2412, 2574, 2613, 2860, 2948, 2970, 3015, 3484, 3510, 3564, 3618, 3685, 3861, 4020, 4212, 4290, 4355, 4422, 4455, 5148, 5226, 5265, 5427, 5940, 6030, 6435, 6633, 7020, 7236, 7370, 7722, 7839, 8580, 8710, 8844, 8910, 9045, 9581, 10452, 10530, 10854, 11055, 11583, 12060, 12870, 13065, 13266, 14740, 15444, 15678, 17420, 17820, 18090, 19162, 19305, 19899, 21060, 21708, 22110, 23166, 23517, 25740, 26130, 26532, 27135, 28743, 31356, 33165, 36180, 38324, 38610, 39195, 39798, 44220, 46332, 47034, 47905, 52260, 54270, 57486, 57915, 59697, 66330, 70551, 77220, 78390, 79596, 86229, 94068, 95810, 99495, 108540, 114972, 115830, 117585, 119394, 132660, 141102, 143715, 156780, 172458, 191620, 198990, 231660, 235170, 238788, 258687, 282204, 287430, 298485, 344916, 352755, 397980, 431145, 470340, 517374, 574860, 596970, 705510, 776061, 862290, 1034748, 1193940, 1293435, 1411020, 1552122, 1724580, 2586870, 3104244, 3880305, 5173740, 7760610, 15521220]

約数ペア:

[(1, 15521220), (2, 7760610), (3, 5173740), (4, 3880305), (5, 3104244), (6, 2586870), (9, 1724580), (10, 1552122), (11, 1411020), (12, 1293435), (13, 1193940), (15, 1034748), (18, 862290), (20, 776061), (22, 705510), (26, 596970), (27, 574860), (30, 517374), (33, 470340), (36, 431145), (39, 397980), (44, 352755), (45, 344916), (52, 298485), (54, 287430), (55, 282204), (60, 258687), (65, 238788), (66, 235170), (67, 231660), (78, 198990), (81, 191620), (90, 172458), (99, 156780), (108, 143715), (110, 141102), (117, 132660), (130, 119394), (132, 117585), (134, 115830), (135, 114972), (143, 108540), (156, 99495), (162, 95810), (165, 94068), (180, 86229), (195, 79596), (198, 78390), (201, 77220), (220, 70551), (234, 66330), (260, 59697), (268, 57915), (270, 57486), (286, 54270), (297, 52260), (324, 47905), (330, 47034), (335, 46332), (351, 44220), (390, 39798), (396, 39195), (402, 38610), (405, 38324), (429, 36180), (468, 33165), (495, 31356), (540, 28743), (572, 27135), (585, 26532), (594, 26130), (603, 25740), (660, 23517), (670, 23166), (702, 22110), (715, 21708), (737, 21060), (780, 19899), (804, 19305), (810, 19162), (858, 18090), (871, 17820), (891, 17420), (990, 15678), (1005, 15444), (1053, 14740), (1170, 13266), (1188, 13065), (1206, 12870), (1287, 12060), (1340, 11583), (1404, 11055), (1430, 10854), (1474, 10530), (1485, 10452), (1620, 9581), (1716, 9045), (1742, 8910), (1755, 8844), (1782, 8710), (1809, 8580), (1980, 7839), (2010, 7722), (2106, 7370), (2145, 7236), (2211, 7020), (2340, 6633), (2412, 6435), (2574, 6030), (2613, 5940), (2860, 5427), (2948, 5265), (2970, 5226), (3015, 5148), (3484, 4455), (3510, 4422), (3564, 4355), (3618, 4290), (3685, 4212), (3861, 4020)]