66989520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1$

素因数の和:470

約数の個数: 240

約数和(自身を含む): 257139792

約数和(自身を除く): 190150272

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 17, 18, 20, 24, 26, 30, 34, 36, 39, 40, 45, 48, 51, 52, 60, 65, 68, 72, 78, 80, 85, 90, 102, 104, 117, 120, 130, 136, 144, 153, 156, 170, 180, 195, 204, 208, 221, 234, 240, 255, 260, 272, 306, 312, 340, 360, 390, 408, 421, 442, 468, 510, 520, 585, 612, 624, 663, 680, 720, 765, 780, 816, 842, 884, 936, 1020, 1040, 1105, 1170, 1224, 1263, 1326, 1360, 1530, 1560, 1684, 1768, 1872, 1989, 2040, 2105, 2210, 2340, 2448, 2526, 2652, 3060, 3120, 3315, 3368, 3536, 3789, 3978, 4080, 4210, 4420, 4680, 5052, 5304, 5473, 6120, 6315, 6630, 6736, 7157, 7578, 7956, 8420, 8840, 9360, 9945, 10104, 10608, 10946, 12240, 12630, 13260, 14314, 15156, 15912, 16419, 16840, 17680, 18945, 19890, 20208, 21471, 21892, 25260, 26520, 27365, 28628, 30312, 31824, 32838, 33680, 35785, 37890, 39780, 42942, 43784, 49257, 50520, 53040, 54730, 57256, 60624, 64413, 65676, 71570, 75780, 79560, 82095, 85884, 87568, 93041, 98514, 101040, 107355, 109460, 114512, 128826, 131352, 143140, 151560, 159120, 164190, 171768, 186082, 197028, 214710, 218920, 246285, 257652, 262704, 279123, 286280, 303120, 322065, 328380, 343536, 372164, 394056, 429420, 437840, 465205, 492570, 515304, 558246, 572560, 644130, 656760, 744328, 788112, 837369, 858840, 930410, 985140, 1030608, 1116492, 1288260, 1313520, 1395615, 1488656, 1674738, 1717680, 1860820, 1970280, 2232984, 2576520, 2791230, 3349476, 3721640, 3940560, 4186845, 4465968, 5153040, 5582460, 6698952, 7443280, 8373690, 11164920, 13397904, 16747380, 22329840, 33494760, 66989520]

約数ペア:

[(1, 66989520), (2, 33494760), (3, 22329840), (4, 16747380), (5, 13397904), (6, 11164920), (8, 8373690), (9, 7443280), (10, 6698952), (12, 5582460), (13, 5153040), (15, 4465968), (16, 4186845), (17, 3940560), (18, 3721640), (20, 3349476), (24, 2791230), (26, 2576520), (30, 2232984), (34, 1970280), (36, 1860820), (39, 1717680), (40, 1674738), (45, 1488656), (48, 1395615), (51, 1313520), (52, 1288260), (60, 1116492), (65, 1030608), (68, 985140), (72, 930410), (78, 858840), (80, 837369), (85, 788112), (90, 744328), (102, 656760), (104, 644130), (117, 572560), (120, 558246), (130, 515304), (136, 492570), (144, 465205), (153, 437840), (156, 429420), (170, 394056), (180, 372164), (195, 343536), (204, 328380), (208, 322065), (221, 303120), (234, 286280), (240, 279123), (255, 262704), (260, 257652), (272, 246285), (306, 218920), (312, 214710), (340, 197028), (360, 186082), (390, 171768), (408, 164190), (421, 159120), (442, 151560), (468, 143140), (510, 131352), (520, 128826), (585, 114512), (612, 109460), (624, 107355), (663, 101040), (680, 98514), (720, 93041), (765, 87568), (780, 85884), (816, 82095), (842, 79560), (884, 75780), (936, 71570), (1020, 65676), (1040, 64413), (1105, 60624), (1170, 57256), (1224, 54730), (1263, 53040), (1326, 50520), (1360, 49257), (1530, 43784), (1560, 42942), (1684, 39780), (1768, 37890), (1872, 35785), (1989, 33680), (2040, 32838), (2105, 31824), (2210, 30312), (2340, 28628), (2448, 27365), (2526, 26520), (2652, 25260), (3060, 21892), (3120, 21471), (3315, 20208), (3368, 19890), (3536, 18945), (3789, 17680), (3978, 16840), (4080, 16419), (4210, 15912), (4420, 15156), (4680, 14314), (5052, 13260), (5304, 12630), (5473, 12240), (6120, 10946), (6315, 10608), (6630, 10104), (6736, 9945), (7157, 9360), (7578, 8840), (7956, 8420)]