169903720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{7681}}^1$

素因数の和:7778

約数の個数: 64

約数和(自身を含む): 442483200

約数和(自身を除く): 272579480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 395, 553, 632, 790, 1106, 1580, 2212, 2765, 3160, 4424, 5530, 7681, 11060, 15362, 22120, 30724, 38405, 53767, 61448, 76810, 107534, 153620, 215068, 268835, 307240, 430136, 537670, 606799, 1075340, 1213598, 2150680, 2427196, 3033995, 4247593, 4854392, 6067990, 8495186, 12135980, 16990372, 21237965, 24271960, 33980744, 42475930, 84951860, 169903720]

約数ペア:

[(1, 169903720), (2, 84951860), (4, 42475930), (5, 33980744), (7, 24271960), (8, 21237965), (10, 16990372), (14, 12135980), (20, 8495186), (28, 6067990), (35, 4854392), (40, 4247593), (56, 3033995), (70, 2427196), (79, 2150680), (140, 1213598), (158, 1075340), (280, 606799), (316, 537670), (395, 430136), (553, 307240), (632, 268835), (790, 215068), (1106, 153620), (1580, 107534), (2212, 76810), (2765, 61448), (3160, 53767), (4424, 38405), (5530, 30724), (7681, 22120), (11060, 15362)]