163956520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1453}}^1$

素因数の和:1515

約数の個数: 128

約数和(自身を含む): 469002240

約数和(自身を除く): 305045720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 310, 364, 403, 434, 455, 520, 620, 728, 806, 868, 910, 1085, 1240, 1453, 1612, 1736, 1820, 2015, 2170, 2821, 2906, 3224, 3640, 4030, 4340, 5642, 5812, 7265, 8060, 8680, 10171, 11284, 11624, 14105, 14530, 16120, 18889, 20342, 22568, 28210, 29060, 37778, 40684, 45043, 50855, 56420, 58120, 75556, 81368, 90086, 94445, 101710, 112840, 132223, 151112, 180172, 188890, 203420, 225215, 264446, 315301, 360344, 377780, 406840, 450430, 528892, 585559, 630602, 661115, 755560, 900860, 1057784, 1171118, 1261204, 1322230, 1576505, 1801720, 2342236, 2522408, 2644460, 2927795, 3153010, 4098913, 4684472, 5288920, 5855590, 6306020, 8197826, 11711180, 12612040, 16395652, 20494565, 23422360, 32791304, 40989130, 81978260, 163956520]

約数ペア:

[(1, 163956520), (2, 81978260), (4, 40989130), (5, 32791304), (7, 23422360), (8, 20494565), (10, 16395652), (13, 12612040), (14, 11711180), (20, 8197826), (26, 6306020), (28, 5855590), (31, 5288920), (35, 4684472), (40, 4098913), (52, 3153010), (56, 2927795), (62, 2644460), (65, 2522408), (70, 2342236), (91, 1801720), (104, 1576505), (124, 1322230), (130, 1261204), (140, 1171118), (155, 1057784), (182, 900860), (217, 755560), (248, 661115), (260, 630602), (280, 585559), (310, 528892), (364, 450430), (403, 406840), (434, 377780), (455, 360344), (520, 315301), (620, 264446), (728, 225215), (806, 203420), (868, 188890), (910, 180172), (1085, 151112), (1240, 132223), (1453, 112840), (1612, 101710), (1736, 94445), (1820, 90086), (2015, 81368), (2170, 75556), (2821, 58120), (2906, 56420), (3224, 50855), (3640, 45043), (4030, 40684), (4340, 37778), (5642, 29060), (5812, 28210), (7265, 22568), (8060, 20342), (8680, 18889), (10171, 16120), (11284, 14530), (11624, 14105)]