1521000840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{4421}}^1$

素因数の和:4543

約数の個数: 128

約数和(自身を含む): 4737553920

約数和(自身を除く): 3216553080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 61, 94, 120, 122, 141, 183, 188, 235, 244, 282, 305, 366, 376, 470, 488, 564, 610, 705, 732, 915, 940, 1128, 1220, 1410, 1464, 1830, 1880, 2440, 2820, 2867, 3660, 4421, 5640, 5734, 7320, 8601, 8842, 11468, 13263, 14335, 17202, 17684, 22105, 22936, 26526, 28670, 34404, 35368, 43005, 44210, 53052, 57340, 66315, 68808, 86010, 88420, 106104, 114680, 132630, 172020, 176840, 207787, 265260, 269681, 344040, 415574, 530520, 539362, 623361, 809043, 831148, 1038935, 1078724, 1246722, 1348405, 1618086, 1662296, 2077870, 2157448, 2493444, 2696810, 3116805, 3236172, 4045215, 4155740, 4986888, 5393620, 6233610, 6472344, 8090430, 8311480, 10787240, 12467220, 12675007, 16180860, 24934440, 25350014, 32361720, 38025021, 50700028, 63375035, 76050042, 101400056, 126750070, 152100084, 190125105, 253500140, 304200168, 380250210, 507000280, 760500420, 1521000840]

約数ペア:

[(1, 1521000840), (2, 760500420), (3, 507000280), (4, 380250210), (5, 304200168), (6, 253500140), (8, 190125105), (10, 152100084), (12, 126750070), (15, 101400056), (20, 76050042), (24, 63375035), (30, 50700028), (40, 38025021), (47, 32361720), (60, 25350014), (61, 24934440), (94, 16180860), (120, 12675007), (122, 12467220), (141, 10787240), (183, 8311480), (188, 8090430), (235, 6472344), (244, 6233610), (282, 5393620), (305, 4986888), (366, 4155740), (376, 4045215), (470, 3236172), (488, 3116805), (564, 2696810), (610, 2493444), (705, 2157448), (732, 2077870), (915, 1662296), (940, 1618086), (1128, 1348405), (1220, 1246722), (1410, 1078724), (1464, 1038935), (1830, 831148), (1880, 809043), (2440, 623361), (2820, 539362), (2867, 530520), (3660, 415574), (4421, 344040), (5640, 269681), (5734, 265260), (7320, 207787), (8601, 176840), (8842, 172020), (11468, 132630), (13263, 114680), (14335, 106104), (17202, 88420), (17684, 86010), (22105, 68808), (22936, 66315), (26526, 57340), (28670, 53052), (34404, 44210), (35368, 43005)]