30407880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:211

約数の個数: 128

約数和(自身を含む): 95800320

約数和(自身を除く): 65392440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 71, 83, 86, 120, 129, 142, 166, 172, 213, 215, 249, 258, 284, 332, 344, 355, 415, 426, 430, 498, 516, 568, 645, 664, 710, 830, 852, 860, 996, 1032, 1065, 1245, 1290, 1420, 1660, 1704, 1720, 1992, 2130, 2490, 2580, 2840, 3053, 3320, 3569, 4260, 4980, 5160, 5893, 6106, 7138, 8520, 9159, 9960, 10707, 11786, 12212, 14276, 15265, 17679, 17845, 18318, 21414, 23572, 24424, 28552, 29465, 30530, 35358, 35690, 36636, 42828, 45795, 47144, 53535, 58930, 61060, 70716, 71380, 73272, 85656, 88395, 91590, 107070, 117860, 122120, 141432, 142760, 176790, 183180, 214140, 235720, 253399, 353580, 366360, 428280, 506798, 707160, 760197, 1013596, 1266995, 1520394, 2027192, 2533990, 3040788, 3800985, 5067980, 6081576, 7601970, 10135960, 15203940, 30407880]

約数ペア:

[(1, 30407880), (2, 15203940), (3, 10135960), (4, 7601970), (5, 6081576), (6, 5067980), (8, 3800985), (10, 3040788), (12, 2533990), (15, 2027192), (20, 1520394), (24, 1266995), (30, 1013596), (40, 760197), (43, 707160), (60, 506798), (71, 428280), (83, 366360), (86, 353580), (120, 253399), (129, 235720), (142, 214140), (166, 183180), (172, 176790), (213, 142760), (215, 141432), (249, 122120), (258, 117860), (284, 107070), (332, 91590), (344, 88395), (355, 85656), (415, 73272), (426, 71380), (430, 70716), (498, 61060), (516, 58930), (568, 53535), (645, 47144), (664, 45795), (710, 42828), (830, 36636), (852, 35690), (860, 35358), (996, 30530), (1032, 29465), (1065, 28552), (1245, 24424), (1290, 23572), (1420, 21414), (1660, 18318), (1704, 17845), (1720, 17679), (1992, 15265), (2130, 14276), (2490, 12212), (2580, 11786), (2840, 10707), (3053, 9960), (3320, 9159), (3569, 8520), (4260, 7138), (4980, 6106), (5160, 5893)]