141979920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:162

約数の個数: 240

約数和(自身を含む): 493361280

約数和(自身を除く): 351381360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 23, 24, 30, 34, 40, 46, 48, 51, 60, 68, 69, 80, 85, 89, 92, 102, 115, 120, 136, 138, 170, 178, 184, 204, 230, 240, 255, 267, 272, 276, 289, 340, 345, 356, 368, 391, 408, 445, 460, 510, 534, 552, 578, 680, 690, 712, 782, 816, 867, 890, 920, 1020, 1068, 1104, 1156, 1173, 1335, 1360, 1380, 1424, 1445, 1513, 1564, 1734, 1780, 1840, 1955, 2040, 2047, 2136, 2312, 2346, 2670, 2760, 2890, 3026, 3128, 3468, 3560, 3910, 4080, 4094, 4272, 4335, 4539, 4624, 4692, 5340, 5520, 5780, 5865, 6052, 6141, 6256, 6647, 6936, 7120, 7565, 7820, 8188, 8670, 9078, 9384, 10235, 10680, 11560, 11730, 12104, 12282, 13294, 13872, 15130, 15640, 16376, 17340, 18156, 18768, 19941, 20470, 21360, 22695, 23120, 23460, 24208, 24564, 25721, 26588, 30260, 30705, 31280, 32752, 33235, 34680, 34799, 36312, 39882, 40940, 45390, 46920, 49128, 51442, 53176, 60520, 61410, 66470, 69360, 69598, 72624, 77163, 79764, 81880, 90780, 93840, 98256, 99705, 102884, 104397, 106352, 121040, 122820, 128605, 132940, 139196, 154326, 159528, 163760, 173995, 181560, 199410, 205768, 208794, 245640, 257210, 265880, 278392, 308652, 319056, 347990, 363120, 385815, 398820, 411536, 417588, 491280, 514420, 521985, 531760, 556784, 591583, 617304, 695980, 771630, 797640, 835176, 1028840, 1043970, 1183166, 1234608, 1391960, 1543260, 1595280, 1670352, 1774749, 2057680, 2087940, 2366332, 2783920, 2957915, 3086520, 3549498, 4175880, 4732664, 5915830, 6173040, 7098996, 8351760, 8873745, 9465328, 11831660, 14197992, 17747490, 23663320, 28395984, 35494980, 47326640, 70989960, 141979920]

約数ペア:

[(1, 141979920), (2, 70989960), (3, 47326640), (4, 35494980), (5, 28395984), (6, 23663320), (8, 17747490), (10, 14197992), (12, 11831660), (15, 9465328), (16, 8873745), (17, 8351760), (20, 7098996), (23, 6173040), (24, 5915830), (30, 4732664), (34, 4175880), (40, 3549498), (46, 3086520), (48, 2957915), (51, 2783920), (60, 2366332), (68, 2087940), (69, 2057680), (80, 1774749), (85, 1670352), (89, 1595280), (92, 1543260), (102, 1391960), (115, 1234608), (120, 1183166), (136, 1043970), (138, 1028840), (170, 835176), (178, 797640), (184, 771630), (204, 695980), (230, 617304), (240, 591583), (255, 556784), (267, 531760), (272, 521985), (276, 514420), (289, 491280), (340, 417588), (345, 411536), (356, 398820), (368, 385815), (391, 363120), (408, 347990), (445, 319056), (460, 308652), (510, 278392), (534, 265880), (552, 257210), (578, 245640), (680, 208794), (690, 205768), (712, 199410), (782, 181560), (816, 173995), (867, 163760), (890, 159528), (920, 154326), (1020, 139196), (1068, 132940), (1104, 128605), (1156, 122820), (1173, 121040), (1335, 106352), (1360, 104397), (1380, 102884), (1424, 99705), (1445, 98256), (1513, 93840), (1564, 90780), (1734, 81880), (1780, 79764), (1840, 77163), (1955, 72624), (2040, 69598), (2047, 69360), (2136, 66470), (2312, 61410), (2346, 60520), (2670, 53176), (2760, 51442), (2890, 49128), (3026, 46920), (3128, 45390), (3468, 40940), (3560, 39882), (3910, 36312), (4080, 34799), (4094, 34680), (4272, 33235), (4335, 32752), (4539, 31280), (4624, 30705), (4692, 30260), (5340, 26588), (5520, 25721), (5780, 24564), (5865, 24208), (6052, 23460), (6141, 23120), (6256, 22695), (6647, 21360), (6936, 20470), (7120, 19941), (7565, 18768), (7820, 18156), (8188, 17340), (8670, 16376), (9078, 15640), (9384, 15130), (10235, 13872), (10680, 13294), (11560, 12282), (11730, 12104)]