21495136680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{70163}}^1$

素因数の和:70240

約数の個数: 192

約数和(自身を含む): 74867794560

約数和(自身を除く): 53372657880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 37, 40, 45, 46, 60, 69, 72, 74, 90, 92, 111, 115, 120, 138, 148, 180, 184, 185, 207, 222, 230, 276, 296, 333, 345, 360, 370, 414, 444, 460, 552, 555, 666, 690, 740, 828, 851, 888, 920, 1035, 1110, 1332, 1380, 1480, 1656, 1665, 1702, 2070, 2220, 2553, 2664, 2760, 3330, 3404, 4140, 4255, 4440, 5106, 6660, 6808, 7659, 8280, 8510, 10212, 12765, 13320, 15318, 17020, 20424, 25530, 30636, 34040, 38295, 51060, 61272, 70163, 76590, 102120, 140326, 153180, 210489, 280652, 306360, 350815, 420978, 561304, 631467, 701630, 841956, 1052445, 1262934, 1403260, 1613749, 1683912, 2104890, 2525868, 2596031, 2806520, 3157335, 3227498, 4209780, 4841247, 5051736, 5192062, 6314670, 6454996, 7788093, 8068745, 8419560, 9682494, 10384124, 12629340, 12909992, 12980155, 14523741, 15576186, 16137490, 19364988, 20768248, 23364279, 24206235, 25258680, 25960310, 29047482, 31152372, 32274980, 38729976, 38940465, 46728558, 48412470, 51920620, 58094964, 59708713, 62304744, 64549960, 72618705, 77880930, 93457116, 96824940, 103841240, 116189928, 116821395, 119417426, 145237410, 155761860, 179126139, 186914232, 193649880, 233642790, 238834852, 290474820, 298543565, 311523720, 358252278, 467285580, 477669704, 537378417, 580949640, 597087130, 716504556, 895630695, 934571160, 1074756834, 1194174260, 1433009112, 1791261390, 2149513668, 2388348520, 2686892085, 3582522780, 4299027336, 5373784170, 7165045560, 10747568340, 21495136680]

約数ペア:

[(1, 21495136680), (2, 10747568340), (3, 7165045560), (4, 5373784170), (5, 4299027336), (6, 3582522780), (8, 2686892085), (9, 2388348520), (10, 2149513668), (12, 1791261390), (15, 1433009112), (18, 1194174260), (20, 1074756834), (23, 934571160), (24, 895630695), (30, 716504556), (36, 597087130), (37, 580949640), (40, 537378417), (45, 477669704), (46, 467285580), (60, 358252278), (69, 311523720), (72, 298543565), (74, 290474820), (90, 238834852), (92, 233642790), (111, 193649880), (115, 186914232), (120, 179126139), (138, 155761860), (148, 145237410), (180, 119417426), (184, 116821395), (185, 116189928), (207, 103841240), (222, 96824940), (230, 93457116), (276, 77880930), (296, 72618705), (333, 64549960), (345, 62304744), (360, 59708713), (370, 58094964), (414, 51920620), (444, 48412470), (460, 46728558), (552, 38940465), (555, 38729976), (666, 32274980), (690, 31152372), (740, 29047482), (828, 25960310), (851, 25258680), (888, 24206235), (920, 23364279), (1035, 20768248), (1110, 19364988), (1332, 16137490), (1380, 15576186), (1480, 14523741), (1656, 12980155), (1665, 12909992), (1702, 12629340), (2070, 10384124), (2220, 9682494), (2553, 8419560), (2664, 8068745), (2760, 7788093), (3330, 6454996), (3404, 6314670), (4140, 5192062), (4255, 5051736), (4440, 4841247), (5106, 4209780), (6660, 3227498), (6808, 3157335), (7659, 2806520), (8280, 2596031), (8510, 2525868), (10212, 2104890), (12765, 1683912), (13320, 1613749), (15318, 1403260), (17020, 1262934), (20424, 1052445), (25530, 841956), (30636, 701630), (34040, 631467), (38295, 561304), (51060, 420978), (61272, 350815), (70163, 306360), (76590, 280652), (102120, 210489), (140326, 153180)]