131232240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:272

約数の個数: 240

約数和(自身を含む): 475282080

約数和(自身を除く): 344049840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 53, 57, 60, 72, 76, 80, 90, 95, 106, 114, 120, 144, 152, 159, 171, 180, 181, 190, 212, 228, 240, 265, 285, 304, 318, 342, 360, 362, 380, 424, 456, 477, 530, 543, 570, 636, 684, 720, 724, 760, 795, 848, 855, 905, 912, 954, 1007, 1060, 1086, 1140, 1272, 1368, 1448, 1520, 1590, 1629, 1710, 1810, 1908, 2014, 2120, 2172, 2280, 2385, 2544, 2715, 2736, 2896, 3021, 3180, 3258, 3420, 3439, 3620, 3816, 4028, 4240, 4344, 4560, 4770, 5035, 5430, 6042, 6360, 6516, 6840, 6878, 7240, 7632, 8056, 8145, 8688, 9063, 9540, 9593, 10070, 10317, 10860, 12084, 12720, 13032, 13680, 13756, 14480, 15105, 16112, 16290, 17195, 18126, 19080, 19186, 20140, 20634, 21720, 24168, 26064, 27512, 28779, 30210, 30951, 32580, 34390, 36252, 38160, 38372, 40280, 41268, 43440, 45315, 47965, 48336, 51585, 55024, 57558, 60420, 61902, 65160, 68780, 72504, 76744, 80560, 82536, 86337, 90630, 95930, 103170, 115116, 120840, 123804, 130320, 137560, 143895, 145008, 153488, 154755, 165072, 172674, 181260, 182267, 191860, 206340, 230232, 241680, 247608, 275120, 287790, 309510, 345348, 362520, 364534, 383720, 412680, 431685, 460464, 495216, 546801, 575580, 619020, 690696, 725040, 729068, 767440, 825360, 863370, 911335, 1093602, 1151160, 1238040, 1381392, 1458136, 1640403, 1726740, 1822670, 2187204, 2302320, 2476080, 2734005, 2916272, 3280806, 3453480, 3645340, 4374408, 5468010, 6561612, 6906960, 7290680, 8202015, 8748816, 10936020, 13123224, 14581360, 16404030, 21872040, 26246448, 32808060, 43744080, 65616120, 131232240]

約数ペア:

[(1, 131232240), (2, 65616120), (3, 43744080), (4, 32808060), (5, 26246448), (6, 21872040), (8, 16404030), (9, 14581360), (10, 13123224), (12, 10936020), (15, 8748816), (16, 8202015), (18, 7290680), (19, 6906960), (20, 6561612), (24, 5468010), (30, 4374408), (36, 3645340), (38, 3453480), (40, 3280806), (45, 2916272), (48, 2734005), (53, 2476080), (57, 2302320), (60, 2187204), (72, 1822670), (76, 1726740), (80, 1640403), (90, 1458136), (95, 1381392), (106, 1238040), (114, 1151160), (120, 1093602), (144, 911335), (152, 863370), (159, 825360), (171, 767440), (180, 729068), (181, 725040), (190, 690696), (212, 619020), (228, 575580), (240, 546801), (265, 495216), (285, 460464), (304, 431685), (318, 412680), (342, 383720), (360, 364534), (362, 362520), (380, 345348), (424, 309510), (456, 287790), (477, 275120), (530, 247608), (543, 241680), (570, 230232), (636, 206340), (684, 191860), (720, 182267), (724, 181260), (760, 172674), (795, 165072), (848, 154755), (855, 153488), (905, 145008), (912, 143895), (954, 137560), (1007, 130320), (1060, 123804), (1086, 120840), (1140, 115116), (1272, 103170), (1368, 95930), (1448, 90630), (1520, 86337), (1590, 82536), (1629, 80560), (1710, 76744), (1810, 72504), (1908, 68780), (2014, 65160), (2120, 61902), (2172, 60420), (2280, 57558), (2385, 55024), (2544, 51585), (2715, 48336), (2736, 47965), (2896, 45315), (3021, 43440), (3180, 41268), (3258, 40280), (3420, 38372), (3439, 38160), (3620, 36252), (3816, 34390), (4028, 32580), (4240, 30951), (4344, 30210), (4560, 28779), (4770, 27512), (5035, 26064), (5430, 24168), (6042, 21720), (6360, 20634), (6516, 20140), (6840, 19186), (6878, 19080), (7240, 18126), (7632, 17195), (8056, 16290), (8145, 16112), (8688, 15105), (9063, 14480), (9540, 13756), (9593, 13680), (10070, 13032), (10317, 12720), (10860, 12084)]