77553320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1$

素因数の和:355

約数の個数: 128

約数和(自身を含む): 206115840

約数和(自身を除く): 128562520

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 31, 34, 40, 52, 62, 65, 68, 85, 104, 124, 130, 136, 155, 170, 221, 248, 260, 283, 310, 340, 403, 442, 520, 527, 566, 620, 680, 806, 884, 1054, 1105, 1132, 1240, 1415, 1612, 1768, 2015, 2108, 2210, 2264, 2635, 2830, 3224, 3679, 4030, 4216, 4420, 4811, 5270, 5660, 6851, 7358, 8060, 8773, 8840, 9622, 10540, 11320, 13702, 14716, 16120, 17546, 18395, 19244, 21080, 24055, 27404, 29432, 34255, 35092, 36790, 38488, 43865, 48110, 54808, 62543, 68510, 70184, 73580, 87730, 96220, 114049, 125086, 137020, 147160, 149141, 175460, 192440, 228098, 250172, 274040, 298282, 312715, 350920, 456196, 500344, 570245, 596564, 625430, 745705, 912392, 1140490, 1193128, 1250860, 1491410, 1938833, 2280980, 2501720, 2982820, 3877666, 4561960, 5965640, 7755332, 9694165, 15510664, 19388330, 38776660, 77553320]

約数ペア:

[(1, 77553320), (2, 38776660), (4, 19388330), (5, 15510664), (8, 9694165), (10, 7755332), (13, 5965640), (17, 4561960), (20, 3877666), (26, 2982820), (31, 2501720), (34, 2280980), (40, 1938833), (52, 1491410), (62, 1250860), (65, 1193128), (68, 1140490), (85, 912392), (104, 745705), (124, 625430), (130, 596564), (136, 570245), (155, 500344), (170, 456196), (221, 350920), (248, 312715), (260, 298282), (283, 274040), (310, 250172), (340, 228098), (403, 192440), (442, 175460), (520, 149141), (527, 147160), (566, 137020), (620, 125086), (680, 114049), (806, 96220), (884, 87730), (1054, 73580), (1105, 70184), (1132, 68510), (1240, 62543), (1415, 54808), (1612, 48110), (1768, 43865), (2015, 38488), (2108, 36790), (2210, 35092), (2264, 34255), (2635, 29432), (2830, 27404), (3224, 24055), (3679, 21080), (4030, 19244), (4216, 18395), (4420, 17546), (4811, 16120), (5270, 14716), (5660, 13702), (6851, 11320), (7358, 10540), (8060, 9622), (8773, 8840)]