666848340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{60733}}^1$

素因数の和:60809

約数の個数: 72

約数和(自身を含む): 2055967368

約数和(自身を除く): 1389119028

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, 2745, 3660, 5490, 10980, 60733, 121466, 182199, 242932, 303665, 364398, 546597, 607330, 728796, 910995, 1093194, 1214660, 1821990, 2186388, 2732985, 3643980, 3704713, 5465970, 7409426, 10931940, 11114139, 14818852, 18523565, 22228278, 33342417, 37047130, 44456556, 55570695, 66684834, 74094260, 111141390, 133369668, 166712085, 222282780, 333424170, 666848340]

約数ペア:

[(1, 666848340), (2, 333424170), (3, 222282780), (4, 166712085), (5, 133369668), (6, 111141390), (9, 74094260), (10, 66684834), (12, 55570695), (15, 44456556), (18, 37047130), (20, 33342417), (30, 22228278), (36, 18523565), (45, 14818852), (60, 11114139), (61, 10931940), (90, 7409426), (122, 5465970), (180, 3704713), (183, 3643980), (244, 2732985), (305, 2186388), (366, 1821990), (549, 1214660), (610, 1093194), (732, 910995), (915, 728796), (1098, 607330), (1220, 546597), (1830, 364398), (2196, 303665), (2745, 242932), (3660, 182199), (5490, 121466), (10980, 60733)]