66838920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:495

約数の個数: 128

約数和(自身を含む): 213200640

約数和(自身を除く): 146361720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 61, 69, 92, 115, 120, 122, 138, 183, 184, 230, 244, 276, 305, 345, 366, 397, 460, 488, 552, 610, 690, 732, 794, 915, 920, 1191, 1220, 1380, 1403, 1464, 1588, 1830, 1985, 2382, 2440, 2760, 2806, 3176, 3660, 3970, 4209, 4764, 5612, 5955, 7015, 7320, 7940, 8418, 9131, 9528, 11224, 11910, 14030, 15880, 16836, 18262, 21045, 23820, 24217, 27393, 28060, 33672, 36524, 42090, 45655, 47640, 48434, 54786, 56120, 72651, 73048, 84180, 91310, 96868, 109572, 121085, 136965, 145302, 168360, 182620, 193736, 219144, 242170, 273930, 290604, 363255, 365240, 484340, 547860, 556991, 581208, 726510, 968680, 1095720, 1113982, 1453020, 1670973, 2227964, 2784955, 2906040, 3341946, 4455928, 5569910, 6683892, 8354865, 11139820, 13367784, 16709730, 22279640, 33419460, 66838920]

約数ペア:

[(1, 66838920), (2, 33419460), (3, 22279640), (4, 16709730), (5, 13367784), (6, 11139820), (8, 8354865), (10, 6683892), (12, 5569910), (15, 4455928), (20, 3341946), (23, 2906040), (24, 2784955), (30, 2227964), (40, 1670973), (46, 1453020), (60, 1113982), (61, 1095720), (69, 968680), (92, 726510), (115, 581208), (120, 556991), (122, 547860), (138, 484340), (183, 365240), (184, 363255), (230, 290604), (244, 273930), (276, 242170), (305, 219144), (345, 193736), (366, 182620), (397, 168360), (460, 145302), (488, 136965), (552, 121085), (610, 109572), (690, 96868), (732, 91310), (794, 84180), (915, 73048), (920, 72651), (1191, 56120), (1220, 54786), (1380, 48434), (1403, 47640), (1464, 45655), (1588, 42090), (1830, 36524), (1985, 33672), (2382, 28060), (2440, 27393), (2760, 24217), (2806, 23820), (3176, 21045), (3660, 18262), (3970, 16836), (4209, 15880), (4764, 14030), (5612, 11910), (5955, 11224), (7015, 9528), (7320, 9131), (7940, 8418)]