12738780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:236

約数の個数: 144

約数和(自身を含む): 42928704

約数和(自身を除く): 30189924

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 23, 30, 34, 36, 45, 46, 51, 60, 68, 69, 85, 90, 92, 102, 115, 138, 153, 170, 180, 181, 204, 207, 230, 255, 276, 306, 340, 345, 362, 391, 414, 460, 510, 543, 612, 690, 724, 765, 782, 828, 905, 1020, 1035, 1086, 1173, 1380, 1530, 1564, 1629, 1810, 1955, 2070, 2172, 2346, 2715, 3060, 3077, 3258, 3519, 3620, 3910, 4140, 4163, 4692, 5430, 5865, 6154, 6516, 7038, 7820, 8145, 8326, 9231, 10860, 11730, 12308, 12489, 14076, 15385, 16290, 16652, 17595, 18462, 20815, 23460, 24978, 27693, 30770, 32580, 35190, 36924, 37467, 41630, 46155, 49956, 55386, 61540, 62445, 70380, 70771, 74934, 83260, 92310, 110772, 124890, 138465, 141542, 149868, 184620, 187335, 212313, 249780, 276930, 283084, 353855, 374670, 424626, 553860, 636939, 707710, 749340, 849252, 1061565, 1273878, 1415420, 2123130, 2547756, 3184695, 4246260, 6369390, 12738780]

約数ペア:

[(1, 12738780), (2, 6369390), (3, 4246260), (4, 3184695), (5, 2547756), (6, 2123130), (9, 1415420), (10, 1273878), (12, 1061565), (15, 849252), (17, 749340), (18, 707710), (20, 636939), (23, 553860), (30, 424626), (34, 374670), (36, 353855), (45, 283084), (46, 276930), (51, 249780), (60, 212313), (68, 187335), (69, 184620), (85, 149868), (90, 141542), (92, 138465), (102, 124890), (115, 110772), (138, 92310), (153, 83260), (170, 74934), (180, 70771), (181, 70380), (204, 62445), (207, 61540), (230, 55386), (255, 49956), (276, 46155), (306, 41630), (340, 37467), (345, 36924), (362, 35190), (391, 32580), (414, 30770), (460, 27693), (510, 24978), (543, 23460), (612, 20815), (690, 18462), (724, 17595), (765, 16652), (782, 16290), (828, 15385), (905, 14076), (1020, 12489), (1035, 12308), (1086, 11730), (1173, 10860), (1380, 9231), (1530, 8326), (1564, 8145), (1629, 7820), (1810, 7038), (1955, 6516), (2070, 6154), (2172, 5865), (2346, 5430), (2715, 4692), (3060, 4163), (3077, 4140), (3258, 3910), (3519, 3620)]