28434120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1657}}^1$

素因数の和:1695

約数の個数: 128

約数和(自身を含む): 100275840

約数和(自身を除く): 71841720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 78, 88, 104, 110, 120, 130, 132, 143, 156, 165, 195, 220, 260, 264, 286, 312, 330, 390, 429, 440, 520, 572, 660, 715, 780, 858, 1144, 1320, 1430, 1560, 1657, 1716, 2145, 2860, 3314, 3432, 4290, 4971, 5720, 6628, 8285, 8580, 9942, 13256, 16570, 17160, 18227, 19884, 21541, 24855, 33140, 36454, 39768, 43082, 49710, 54681, 64623, 66280, 72908, 86164, 91135, 99420, 107705, 109362, 129246, 145816, 172328, 182270, 198840, 215410, 218724, 236951, 258492, 273405, 323115, 364540, 430820, 437448, 473902, 516984, 546810, 646230, 710853, 729080, 861640, 947804, 1093620, 1184755, 1292460, 1421706, 1895608, 2187240, 2369510, 2584920, 2843412, 3554265, 4739020, 5686824, 7108530, 9478040, 14217060, 28434120]

約数ペア:

[(1, 28434120), (2, 14217060), (3, 9478040), (4, 7108530), (5, 5686824), (6, 4739020), (8, 3554265), (10, 2843412), (11, 2584920), (12, 2369510), (13, 2187240), (15, 1895608), (20, 1421706), (22, 1292460), (24, 1184755), (26, 1093620), (30, 947804), (33, 861640), (39, 729080), (40, 710853), (44, 646230), (52, 546810), (55, 516984), (60, 473902), (65, 437448), (66, 430820), (78, 364540), (88, 323115), (104, 273405), (110, 258492), (120, 236951), (130, 218724), (132, 215410), (143, 198840), (156, 182270), (165, 172328), (195, 145816), (220, 129246), (260, 109362), (264, 107705), (286, 99420), (312, 91135), (330, 86164), (390, 72908), (429, 66280), (440, 64623), (520, 54681), (572, 49710), (660, 43082), (715, 39768), (780, 36454), (858, 33140), (1144, 24855), (1320, 21541), (1430, 19884), (1560, 18227), (1657, 17160), (1716, 16570), (2145, 13256), (2860, 9942), (3314, 8580), (3432, 8285), (4290, 6628), (4971, 5720)]