28910340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2633}}^1$

素因数の和:2709

約数の個数: 72

約数和(自身を含む): 89166168

約数和(自身を除く): 60255828

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2633, 2745, 3660, 5266, 5490, 7899, 10532, 10980, 13165, 15798, 23697, 26330, 31596, 39495, 47394, 52660, 78990, 94788, 118485, 157980, 160613, 236970, 321226, 473940, 481839, 642452, 803065, 963678, 1445517, 1606130, 1927356, 2409195, 2891034, 3212260, 4818390, 5782068, 7227585, 9636780, 14455170, 28910340]

約数ペア:

[(1, 28910340), (2, 14455170), (3, 9636780), (4, 7227585), (5, 5782068), (6, 4818390), (9, 3212260), (10, 2891034), (12, 2409195), (15, 1927356), (18, 1606130), (20, 1445517), (30, 963678), (36, 803065), (45, 642452), (60, 481839), (61, 473940), (90, 321226), (122, 236970), (180, 160613), (183, 157980), (244, 118485), (305, 94788), (366, 78990), (549, 52660), (610, 47394), (732, 39495), (915, 31596), (1098, 26330), (1220, 23697), (1830, 15798), (2196, 13165), (2633, 10980), (2745, 10532), (3660, 7899), (5266, 5490)]