312585720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2917}}^1$

素因数の和:2997

約数の個数: 128

約数和(自身を含む): 1008460800

約数和(自身を除く): 695875080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 47, 57, 60, 76, 94, 95, 114, 120, 141, 152, 188, 190, 228, 235, 282, 285, 376, 380, 456, 470, 564, 570, 705, 760, 893, 940, 1128, 1140, 1410, 1786, 1880, 2280, 2679, 2820, 2917, 3572, 4465, 5358, 5640, 5834, 7144, 8751, 8930, 10716, 11668, 13395, 14585, 17502, 17860, 21432, 23336, 26790, 29170, 35004, 35720, 43755, 53580, 55423, 58340, 70008, 87510, 107160, 110846, 116680, 137099, 166269, 175020, 221692, 274198, 277115, 332538, 350040, 411297, 443384, 548396, 554230, 665076, 685495, 822594, 831345, 1096792, 1108460, 1330152, 1370990, 1645188, 1662690, 2056485, 2216920, 2604881, 2741980, 3290376, 3325380, 4112970, 5209762, 5483960, 6650760, 7814643, 8225940, 10419524, 13024405, 15629286, 16451880, 20839048, 26048810, 31258572, 39073215, 52097620, 62517144, 78146430, 104195240, 156292860, 312585720]

約数ペア:

[(1, 312585720), (2, 156292860), (3, 104195240), (4, 78146430), (5, 62517144), (6, 52097620), (8, 39073215), (10, 31258572), (12, 26048810), (15, 20839048), (19, 16451880), (20, 15629286), (24, 13024405), (30, 10419524), (38, 8225940), (40, 7814643), (47, 6650760), (57, 5483960), (60, 5209762), (76, 4112970), (94, 3325380), (95, 3290376), (114, 2741980), (120, 2604881), (141, 2216920), (152, 2056485), (188, 1662690), (190, 1645188), (228, 1370990), (235, 1330152), (282, 1108460), (285, 1096792), (376, 831345), (380, 822594), (456, 685495), (470, 665076), (564, 554230), (570, 548396), (705, 443384), (760, 411297), (893, 350040), (940, 332538), (1128, 277115), (1140, 274198), (1410, 221692), (1786, 175020), (1880, 166269), (2280, 137099), (2679, 116680), (2820, 110846), (2917, 107160), (3572, 87510), (4465, 70008), (5358, 58340), (5640, 55423), (5834, 53580), (7144, 43755), (8751, 35720), (8930, 35004), (10716, 29170), (11668, 26790), (13395, 23336), (14585, 21432), (17502, 17860)]