30920280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{659}}^1$

素因数の和:713

約数の個数: 128

約数和(自身を含む): 102643200

約数和(自身を除く): 71722920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 23, 24, 30, 34, 40, 46, 51, 60, 68, 69, 85, 92, 102, 115, 120, 136, 138, 170, 184, 204, 230, 255, 276, 340, 345, 391, 408, 460, 510, 552, 659, 680, 690, 782, 920, 1020, 1173, 1318, 1380, 1564, 1955, 1977, 2040, 2346, 2636, 2760, 3128, 3295, 3910, 3954, 4692, 5272, 5865, 6590, 7820, 7908, 9384, 9885, 11203, 11730, 13180, 15157, 15640, 15816, 19770, 22406, 23460, 26360, 30314, 33609, 39540, 44812, 45471, 46920, 56015, 60628, 67218, 75785, 79080, 89624, 90942, 112030, 121256, 134436, 151570, 168045, 181884, 224060, 227355, 257669, 268872, 303140, 336090, 363768, 448120, 454710, 515338, 606280, 672180, 773007, 909420, 1030676, 1288345, 1344360, 1546014, 1818840, 2061352, 2576690, 3092028, 3865035, 5153380, 6184056, 7730070, 10306760, 15460140, 30920280]

約数ペア:

[(1, 30920280), (2, 15460140), (3, 10306760), (4, 7730070), (5, 6184056), (6, 5153380), (8, 3865035), (10, 3092028), (12, 2576690), (15, 2061352), (17, 1818840), (20, 1546014), (23, 1344360), (24, 1288345), (30, 1030676), (34, 909420), (40, 773007), (46, 672180), (51, 606280), (60, 515338), (68, 454710), (69, 448120), (85, 363768), (92, 336090), (102, 303140), (115, 268872), (120, 257669), (136, 227355), (138, 224060), (170, 181884), (184, 168045), (204, 151570), (230, 134436), (255, 121256), (276, 112030), (340, 90942), (345, 89624), (391, 79080), (408, 75785), (460, 67218), (510, 60628), (552, 56015), (659, 46920), (680, 45471), (690, 44812), (782, 39540), (920, 33609), (1020, 30314), (1173, 26360), (1318, 23460), (1380, 22406), (1564, 19770), (1955, 15816), (1977, 15640), (2040, 15157), (2346, 13180), (2636, 11730), (2760, 11203), (3128, 9885), (3295, 9384), (3910, 7908), (3954, 7820), (4692, 6590), (5272, 5865)]