20708788680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{47659}}^1$

素因数の和:47764

約数の個数: 192

約数和(自身を含む): 72267811200

約数和(自身を除く): 51559022520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 71, 72, 85, 90, 102, 120, 136, 142, 153, 170, 180, 204, 213, 255, 284, 306, 340, 355, 360, 408, 426, 510, 568, 612, 639, 680, 710, 765, 852, 1020, 1065, 1207, 1224, 1278, 1420, 1530, 1704, 2040, 2130, 2414, 2556, 2840, 3060, 3195, 3621, 4260, 4828, 5112, 6035, 6120, 6390, 7242, 8520, 9656, 10863, 12070, 12780, 14484, 18105, 21726, 24140, 25560, 28968, 36210, 43452, 47659, 48280, 54315, 72420, 86904, 95318, 108630, 142977, 144840, 190636, 217260, 238295, 285954, 381272, 428931, 434520, 476590, 571908, 714885, 810203, 857862, 953180, 1143816, 1429770, 1620406, 1715724, 1906360, 2144655, 2430609, 2859540, 3240812, 3383789, 3431448, 4051015, 4289310, 4861218, 5719080, 6481624, 6767578, 7291827, 8102030, 8578620, 9722436, 10151367, 12153045, 13535156, 14583654, 16204060, 16918945, 17157240, 19444872, 20302734, 24306090, 27070312, 29167308, 30454101, 32408120, 33837890, 36459135, 40605468, 48612180, 50756835, 57524413, 58334616, 60908202, 67675780, 72918270, 81210936, 97224360, 101513670, 115048826, 121816404, 135351560, 145836540, 152270505, 172573239, 203027340, 230097652, 243632808, 287622065, 291673080, 304541010, 345146478, 406054680, 460195304, 517719717, 575244130, 609082020, 690292956, 862866195, 1035439434, 1150488260, 1218164040, 1380585912, 1725732390, 2070878868, 2300976520, 2588598585, 3451464780, 4141757736, 5177197170, 6902929560, 10354394340, 20708788680]

約数ペア:

[(1, 20708788680), (2, 10354394340), (3, 6902929560), (4, 5177197170), (5, 4141757736), (6, 3451464780), (8, 2588598585), (9, 2300976520), (10, 2070878868), (12, 1725732390), (15, 1380585912), (17, 1218164040), (18, 1150488260), (20, 1035439434), (24, 862866195), (30, 690292956), (34, 609082020), (36, 575244130), (40, 517719717), (45, 460195304), (51, 406054680), (60, 345146478), (68, 304541010), (71, 291673080), (72, 287622065), (85, 243632808), (90, 230097652), (102, 203027340), (120, 172573239), (136, 152270505), (142, 145836540), (153, 135351560), (170, 121816404), (180, 115048826), (204, 101513670), (213, 97224360), (255, 81210936), (284, 72918270), (306, 67675780), (340, 60908202), (355, 58334616), (360, 57524413), (408, 50756835), (426, 48612180), (510, 40605468), (568, 36459135), (612, 33837890), (639, 32408120), (680, 30454101), (710, 29167308), (765, 27070312), (852, 24306090), (1020, 20302734), (1065, 19444872), (1207, 17157240), (1224, 16918945), (1278, 16204060), (1420, 14583654), (1530, 13535156), (1704, 12153045), (2040, 10151367), (2130, 9722436), (2414, 8578620), (2556, 8102030), (2840, 7291827), (3060, 6767578), (3195, 6481624), (3621, 5719080), (4260, 4861218), (4828, 4289310), (5112, 4051015), (6035, 3431448), (6120, 3383789), (6390, 3240812), (7242, 2859540), (8520, 2430609), (9656, 2144655), (10863, 1906360), (12070, 1715724), (12780, 1620406), (14484, 1429770), (18105, 1143816), (21726, 953180), (24140, 857862), (25560, 810203), (28968, 714885), (36210, 571908), (43452, 476590), (47659, 434520), (48280, 428931), (54315, 381272), (72420, 285954), (86904, 238295), (95318, 217260), (108630, 190636), (142977, 144840)]