15371820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:164

約数の個数: 144

約数和(自身を含む): 50319360

約数和(自身を除く): 34947540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 47, 60, 69, 79, 90, 92, 94, 115, 138, 141, 158, 180, 188, 207, 230, 235, 237, 276, 282, 316, 345, 395, 414, 423, 460, 470, 474, 564, 690, 705, 711, 790, 828, 846, 940, 948, 1035, 1081, 1185, 1380, 1410, 1422, 1580, 1692, 1817, 2070, 2115, 2162, 2370, 2820, 2844, 3243, 3555, 3634, 3713, 4140, 4230, 4324, 4740, 5405, 5451, 6486, 7110, 7268, 7426, 8460, 9085, 9729, 10810, 10902, 11139, 12972, 14220, 14852, 16215, 16353, 18170, 18565, 19458, 21620, 21804, 22278, 27255, 32430, 32706, 33417, 36340, 37130, 38916, 44556, 48645, 54510, 55695, 64860, 65412, 66834, 74260, 81765, 85399, 97290, 109020, 111390, 133668, 163530, 167085, 170798, 194580, 222780, 256197, 327060, 334170, 341596, 426995, 512394, 668340, 768591, 853990, 1024788, 1280985, 1537182, 1707980, 2561970, 3074364, 3842955, 5123940, 7685910, 15371820]

約数ペア:

[(1, 15371820), (2, 7685910), (3, 5123940), (4, 3842955), (5, 3074364), (6, 2561970), (9, 1707980), (10, 1537182), (12, 1280985), (15, 1024788), (18, 853990), (20, 768591), (23, 668340), (30, 512394), (36, 426995), (45, 341596), (46, 334170), (47, 327060), (60, 256197), (69, 222780), (79, 194580), (90, 170798), (92, 167085), (94, 163530), (115, 133668), (138, 111390), (141, 109020), (158, 97290), (180, 85399), (188, 81765), (207, 74260), (230, 66834), (235, 65412), (237, 64860), (276, 55695), (282, 54510), (316, 48645), (345, 44556), (395, 38916), (414, 37130), (423, 36340), (460, 33417), (470, 32706), (474, 32430), (564, 27255), (690, 22278), (705, 21804), (711, 21620), (790, 19458), (828, 18565), (846, 18170), (940, 16353), (948, 16215), (1035, 14852), (1081, 14220), (1185, 12972), (1380, 11139), (1410, 10902), (1422, 10810), (1580, 9729), (1692, 9085), (1817, 8460), (2070, 7426), (2115, 7268), (2162, 7110), (2370, 6486), (2820, 5451), (2844, 5405), (3243, 4740), (3555, 4324), (3634, 4230), (3713, 4140)]