1899540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:249

約数の個数: 72

約数和(自身を含む): 5890248

約数和(自身を除く): 3990708

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 173, 180, 183, 244, 305, 346, 366, 519, 549, 610, 692, 732, 865, 915, 1038, 1098, 1220, 1557, 1730, 1830, 2076, 2196, 2595, 2745, 3114, 3460, 3660, 5190, 5490, 6228, 7785, 10380, 10553, 10980, 15570, 21106, 31140, 31659, 42212, 52765, 63318, 94977, 105530, 126636, 158295, 189954, 211060, 316590, 379908, 474885, 633180, 949770, 1899540]

約数ペア:

[(1, 1899540), (2, 949770), (3, 633180), (4, 474885), (5, 379908), (6, 316590), (9, 211060), (10, 189954), (12, 158295), (15, 126636), (18, 105530), (20, 94977), (30, 63318), (36, 52765), (45, 42212), (60, 31659), (61, 31140), (90, 21106), (122, 15570), (173, 10980), (180, 10553), (183, 10380), (244, 7785), (305, 6228), (346, 5490), (366, 5190), (519, 3660), (549, 3460), (610, 3114), (692, 2745), (732, 2595), (865, 2196), (915, 2076), (1038, 1830), (1098, 1730), (1220, 1557)]