31538340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2111}}^1$

素因数の和:2209

約数の個数: 72

約数和(自身を含む): 96864768

約数和(自身を除く): 65326428

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, 2111, 2490, 2988, 3735, 4222, 4980, 6333, 7470, 8444, 10555, 12666, 14940, 18999, 21110, 25332, 31665, 37998, 42220, 63330, 75996, 94995, 126660, 175213, 189990, 350426, 379980, 525639, 700852, 876065, 1051278, 1576917, 1752130, 2102556, 2628195, 3153834, 3504260, 5256390, 6307668, 7884585, 10512780, 15769170, 31538340]

約数ペア:

[(1, 31538340), (2, 15769170), (3, 10512780), (4, 7884585), (5, 6307668), (6, 5256390), (9, 3504260), (10, 3153834), (12, 2628195), (15, 2102556), (18, 1752130), (20, 1576917), (30, 1051278), (36, 876065), (45, 700852), (60, 525639), (83, 379980), (90, 350426), (166, 189990), (180, 175213), (249, 126660), (332, 94995), (415, 75996), (498, 63330), (747, 42220), (830, 37998), (996, 31665), (1245, 25332), (1494, 21110), (1660, 18999), (2111, 14940), (2490, 12666), (2988, 10555), (3735, 8444), (4222, 7470), (4980, 6333)]