71283720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{421}}^1$

素因数の和:535

約数の個数: 128

約数和(自身を含む): 229703040

約数和(自身を除く): 158419320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 83, 85, 102, 120, 136, 166, 170, 204, 249, 255, 332, 340, 408, 415, 421, 498, 510, 664, 680, 830, 842, 996, 1020, 1245, 1263, 1411, 1660, 1684, 1992, 2040, 2105, 2490, 2526, 2822, 3320, 3368, 4210, 4233, 4980, 5052, 5644, 6315, 7055, 7157, 8420, 8466, 9960, 10104, 11288, 12630, 14110, 14314, 16840, 16932, 21165, 21471, 25260, 28220, 28628, 33864, 34943, 35785, 42330, 42942, 50520, 56440, 57256, 69886, 71570, 84660, 85884, 104829, 107355, 139772, 143140, 169320, 171768, 174715, 209658, 214710, 279544, 286280, 349430, 419316, 429420, 524145, 594031, 698860, 838632, 858840, 1048290, 1188062, 1397720, 1782093, 2096580, 2376124, 2970155, 3564186, 4193160, 4752248, 5940310, 7128372, 8910465, 11880620, 14256744, 17820930, 23761240, 35641860, 71283720]

約数ペア:

[(1, 71283720), (2, 35641860), (3, 23761240), (4, 17820930), (5, 14256744), (6, 11880620), (8, 8910465), (10, 7128372), (12, 5940310), (15, 4752248), (17, 4193160), (20, 3564186), (24, 2970155), (30, 2376124), (34, 2096580), (40, 1782093), (51, 1397720), (60, 1188062), (68, 1048290), (83, 858840), (85, 838632), (102, 698860), (120, 594031), (136, 524145), (166, 429420), (170, 419316), (204, 349430), (249, 286280), (255, 279544), (332, 214710), (340, 209658), (408, 174715), (415, 171768), (421, 169320), (498, 143140), (510, 139772), (664, 107355), (680, 104829), (830, 85884), (842, 84660), (996, 71570), (1020, 69886), (1245, 57256), (1263, 56440), (1411, 50520), (1660, 42942), (1684, 42330), (1992, 35785), (2040, 34943), (2105, 33864), (2490, 28628), (2526, 28220), (2822, 25260), (3320, 21471), (3368, 21165), (4210, 16932), (4233, 16840), (4980, 14314), (5052, 14110), (5644, 12630), (6315, 11288), (7055, 10104), (7157, 9960), (8420, 8466)]