645459120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{38977}}^1$

素因数の和:39019

約数の個数: 120

約数和(自身を含む): 2261971296

約数和(自身を除く): 1616512176

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 115, 120, 138, 144, 180, 184, 207, 230, 240, 276, 345, 360, 368, 414, 460, 552, 690, 720, 828, 920, 1035, 1104, 1380, 1656, 1840, 2070, 2760, 3312, 4140, 5520, 8280, 16560, 38977, 77954, 116931, 155908, 194885, 233862, 311816, 350793, 389770, 467724, 584655, 623632, 701586, 779540, 896471, 935448, 1169310, 1403172, 1559080, 1753965, 1792942, 1870896, 2338620, 2689413, 2806344, 3118160, 3507930, 3585884, 4482355, 4677240, 5378826, 5612688, 7015860, 7171768, 8068239, 8964710, 9354480, 10757652, 13447065, 14031720, 14343536, 16136478, 17929420, 21515304, 26894130, 28063440, 32272956, 35858840, 40341195, 43030608, 53788260, 64545912, 71717680, 80682390, 107576520, 129091824, 161364780, 215153040, 322729560, 645459120]

約数ペア:

[(1, 645459120), (2, 322729560), (3, 215153040), (4, 161364780), (5, 129091824), (6, 107576520), (8, 80682390), (9, 71717680), (10, 64545912), (12, 53788260), (15, 43030608), (16, 40341195), (18, 35858840), (20, 32272956), (23, 28063440), (24, 26894130), (30, 21515304), (36, 17929420), (40, 16136478), (45, 14343536), (46, 14031720), (48, 13447065), (60, 10757652), (69, 9354480), (72, 8964710), (80, 8068239), (90, 7171768), (92, 7015860), (115, 5612688), (120, 5378826), (138, 4677240), (144, 4482355), (180, 3585884), (184, 3507930), (207, 3118160), (230, 2806344), (240, 2689413), (276, 2338620), (345, 1870896), (360, 1792942), (368, 1753965), (414, 1559080), (460, 1403172), (552, 1169310), (690, 935448), (720, 896471), (828, 779540), (920, 701586), (1035, 623632), (1104, 584655), (1380, 467724), (1656, 389770), (1840, 350793), (2070, 311816), (2760, 233862), (3312, 194885), (4140, 155908), (5520, 116931), (8280, 77954), (16560, 38977)]