30234920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{659}}^1$

素因数の和:738

約数の個数: 64

約数和(自身を含む): 72230400

約数和(自身を除く): 41995480

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 37, 40, 62, 74, 124, 148, 155, 185, 248, 296, 310, 370, 620, 659, 740, 1147, 1240, 1318, 1480, 2294, 2636, 3295, 4588, 5272, 5735, 6590, 9176, 11470, 13180, 20429, 22940, 24383, 26360, 40858, 45880, 48766, 81716, 97532, 102145, 121915, 163432, 195064, 204290, 243830, 408580, 487660, 755873, 817160, 975320, 1511746, 3023492, 3779365, 6046984, 7558730, 15117460, 30234920]

約数ペア:

[(1, 30234920), (2, 15117460), (4, 7558730), (5, 6046984), (8, 3779365), (10, 3023492), (20, 1511746), (31, 975320), (37, 817160), (40, 755873), (62, 487660), (74, 408580), (124, 243830), (148, 204290), (155, 195064), (185, 163432), (248, 121915), (296, 102145), (310, 97532), (370, 81716), (620, 48766), (659, 45880), (740, 40858), (1147, 26360), (1240, 24383), (1318, 22940), (1480, 20429), (2294, 13180), (2636, 11470), (3295, 9176), (4588, 6590), (5272, 5735)]