308974140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{20681}}^1$

素因数の和:20779

約数の個数: 72

約数和(自身を含む): 948559248

約数和(自身を除く): 639585108

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 166, 180, 249, 332, 415, 498, 747, 830, 996, 1245, 1494, 1660, 2490, 2988, 3735, 4980, 7470, 14940, 20681, 41362, 62043, 82724, 103405, 124086, 186129, 206810, 248172, 310215, 372258, 413620, 620430, 744516, 930645, 1240860, 1716523, 1861290, 3433046, 3722580, 5149569, 6866092, 8582615, 10299138, 15448707, 17165230, 20598276, 25747845, 30897414, 34330460, 51495690, 61794828, 77243535, 102991380, 154487070, 308974140]

約数ペア:

[(1, 308974140), (2, 154487070), (3, 102991380), (4, 77243535), (5, 61794828), (6, 51495690), (9, 34330460), (10, 30897414), (12, 25747845), (15, 20598276), (18, 17165230), (20, 15448707), (30, 10299138), (36, 8582615), (45, 6866092), (60, 5149569), (83, 3722580), (90, 3433046), (166, 1861290), (180, 1716523), (249, 1240860), (332, 930645), (415, 744516), (498, 620430), (747, 413620), (830, 372258), (996, 310215), (1245, 248172), (1494, 206810), (1660, 186129), (2490, 124086), (2988, 103405), (3735, 82724), (4980, 62043), (7470, 41362), (14940, 20681)]