30918160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:201

約数の個数: 160

約数和(自身を含む): 91994112

約数和(自身を除く): 61075952

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 80, 91, 104, 112, 124, 130, 137, 140, 155, 182, 208, 217, 248, 260, 274, 280, 310, 364, 403, 434, 455, 496, 520, 548, 560, 620, 685, 728, 806, 868, 910, 959, 1040, 1085, 1096, 1240, 1370, 1456, 1612, 1736, 1781, 1820, 1918, 2015, 2170, 2192, 2480, 2740, 2821, 3224, 3472, 3562, 3640, 3836, 4030, 4247, 4340, 4795, 5480, 5642, 6448, 7124, 7280, 7672, 8060, 8494, 8680, 8905, 9590, 10960, 11284, 12467, 14105, 14248, 15344, 16120, 16988, 17360, 17810, 19180, 21235, 22568, 24934, 28210, 28496, 29729, 32240, 33976, 35620, 38360, 42470, 45136, 49868, 55211, 56420, 59458, 62335, 67952, 71240, 76720, 84940, 99736, 110422, 112840, 118916, 124670, 142480, 148645, 169880, 199472, 220844, 225680, 237832, 249340, 276055, 297290, 339760, 386477, 441688, 475664, 498680, 552110, 594580, 772954, 883376, 997360, 1104220, 1189160, 1545908, 1932385, 2208440, 2378320, 3091816, 3864770, 4416880, 6183632, 7729540, 15459080, 30918160]

約数ペア:

[(1, 30918160), (2, 15459080), (4, 7729540), (5, 6183632), (7, 4416880), (8, 3864770), (10, 3091816), (13, 2378320), (14, 2208440), (16, 1932385), (20, 1545908), (26, 1189160), (28, 1104220), (31, 997360), (35, 883376), (40, 772954), (52, 594580), (56, 552110), (62, 498680), (65, 475664), (70, 441688), (80, 386477), (91, 339760), (104, 297290), (112, 276055), (124, 249340), (130, 237832), (137, 225680), (140, 220844), (155, 199472), (182, 169880), (208, 148645), (217, 142480), (248, 124670), (260, 118916), (274, 112840), (280, 110422), (310, 99736), (364, 84940), (403, 76720), (434, 71240), (455, 67952), (496, 62335), (520, 59458), (548, 56420), (560, 55211), (620, 49868), (685, 45136), (728, 42470), (806, 38360), (868, 35620), (910, 33976), (959, 32240), (1040, 29729), (1085, 28496), (1096, 28210), (1240, 24934), (1370, 22568), (1456, 21235), (1612, 19180), (1736, 17810), (1781, 17360), (1820, 16988), (1918, 16120), (2015, 15344), (2170, 14248), (2192, 14105), (2480, 12467), (2740, 11284), (2821, 10960), (3224, 9590), (3472, 8905), (3562, 8680), (3640, 8494), (3836, 8060), (4030, 7672), (4247, 7280), (4340, 7124), (4795, 6448), (5480, 5642)]