78571360

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{73}}^1$

素因数の和:157

約数の個数: 144

約数和(自身を含む): 222209568

約数和(自身を除く): 143638208

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 73, 80, 112, 124, 140, 146, 155, 160, 217, 224, 248, 280, 292, 310, 365, 434, 496, 511, 560, 584, 620, 730, 868, 961, 992, 1022, 1085, 1120, 1168, 1240, 1460, 1736, 1922, 2044, 2170, 2263, 2336, 2480, 2555, 2920, 3472, 3844, 4088, 4340, 4526, 4805, 4960, 5110, 5840, 6727, 6944, 7688, 8176, 8680, 9052, 9610, 10220, 11315, 11680, 13454, 15376, 15841, 16352, 17360, 18104, 19220, 20440, 22630, 26908, 30752, 31682, 33635, 34720, 36208, 38440, 40880, 45260, 53816, 63364, 67270, 70153, 72416, 76880, 79205, 81760, 90520, 107632, 126728, 134540, 140306, 153760, 158410, 181040, 215264, 253456, 269080, 280612, 316820, 350765, 362080, 491071, 506912, 538160, 561224, 633640, 701530, 982142, 1076320, 1122448, 1267280, 1403060, 1964284, 2244896, 2455355, 2534560, 2806120, 3928568, 4910710, 5612240, 7857136, 9821420, 11224480, 15714272, 19642840, 39285680, 78571360]

約数ペア:

[(1, 78571360), (2, 39285680), (4, 19642840), (5, 15714272), (7, 11224480), (8, 9821420), (10, 7857136), (14, 5612240), (16, 4910710), (20, 3928568), (28, 2806120), (31, 2534560), (32, 2455355), (35, 2244896), (40, 1964284), (56, 1403060), (62, 1267280), (70, 1122448), (73, 1076320), (80, 982142), (112, 701530), (124, 633640), (140, 561224), (146, 538160), (155, 506912), (160, 491071), (217, 362080), (224, 350765), (248, 316820), (280, 280612), (292, 269080), (310, 253456), (365, 215264), (434, 181040), (496, 158410), (511, 153760), (560, 140306), (584, 134540), (620, 126728), (730, 107632), (868, 90520), (961, 81760), (992, 79205), (1022, 76880), (1085, 72416), (1120, 70153), (1168, 67270), (1240, 63364), (1460, 53816), (1736, 45260), (1922, 40880), (2044, 38440), (2170, 36208), (2263, 34720), (2336, 33635), (2480, 31682), (2555, 30752), (2920, 26908), (3472, 22630), (3844, 20440), (4088, 19220), (4340, 18104), (4526, 17360), (4805, 16352), (4960, 15841), (5110, 15376), (5840, 13454), (6727, 11680), (6944, 11315), (7688, 10220), (8176, 9610), (8680, 9052)]