287372220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{78517}}^1$

素因数の和:78590

約数の個数: 48

約数和(自身を含む): 817843488

約数和(自身を除く): 530471268

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 78517, 157034, 235551, 314068, 392585, 471102, 785170, 942204, 1177755, 1570340, 2355510, 4711020, 4789537, 9579074, 14368611, 19158148, 23947685, 28737222, 47895370, 57474444, 71843055, 95790740, 143686110, 287372220]

約数ペア:

[(1, 287372220), (2, 143686110), (3, 95790740), (4, 71843055), (5, 57474444), (6, 47895370), (10, 28737222), (12, 23947685), (15, 19158148), (20, 14368611), (30, 9579074), (60, 4789537), (61, 4711020), (122, 2355510), (183, 1570340), (244, 1177755), (305, 942204), (366, 785170), (610, 471102), (732, 392585), (915, 314068), (1220, 235551), (1830, 157034), (3660, 78517)]