71798480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:205

約数の個数: 160

約数和(自身を含む): 197987328

約数和(自身を除く): 126188848

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 31, 34, 40, 52, 62, 65, 68, 80, 85, 104, 124, 130, 131, 136, 155, 170, 208, 221, 248, 260, 262, 272, 310, 340, 403, 442, 496, 520, 524, 527, 620, 655, 680, 806, 884, 1040, 1048, 1054, 1105, 1240, 1310, 1360, 1612, 1703, 1768, 2015, 2096, 2108, 2210, 2227, 2480, 2620, 2635, 3224, 3406, 3536, 4030, 4061, 4216, 4420, 4454, 5240, 5270, 6448, 6812, 6851, 8060, 8122, 8432, 8515, 8840, 8908, 10480, 10540, 11135, 13624, 13702, 16120, 16244, 17030, 17680, 17816, 20305, 21080, 22270, 27248, 27404, 28951, 32240, 32488, 34060, 34255, 35632, 40610, 42160, 44540, 52793, 54808, 57902, 64976, 68120, 68510, 69037, 81220, 89080, 105586, 109616, 115804, 136240, 137020, 138074, 144755, 162440, 178160, 211172, 231608, 263965, 274040, 276148, 289510, 324880, 345185, 422344, 463216, 527930, 548080, 552296, 579020, 690370, 844688, 897481, 1055860, 1104592, 1158040, 1380740, 1794962, 2111720, 2316080, 2761480, 3589924, 4223440, 4487405, 5522960, 7179848, 8974810, 14359696, 17949620, 35899240, 71798480]

約数ペア:

[(1, 71798480), (2, 35899240), (4, 17949620), (5, 14359696), (8, 8974810), (10, 7179848), (13, 5522960), (16, 4487405), (17, 4223440), (20, 3589924), (26, 2761480), (31, 2316080), (34, 2111720), (40, 1794962), (52, 1380740), (62, 1158040), (65, 1104592), (68, 1055860), (80, 897481), (85, 844688), (104, 690370), (124, 579020), (130, 552296), (131, 548080), (136, 527930), (155, 463216), (170, 422344), (208, 345185), (221, 324880), (248, 289510), (260, 276148), (262, 274040), (272, 263965), (310, 231608), (340, 211172), (403, 178160), (442, 162440), (496, 144755), (520, 138074), (524, 137020), (527, 136240), (620, 115804), (655, 109616), (680, 105586), (806, 89080), (884, 81220), (1040, 69037), (1048, 68510), (1054, 68120), (1105, 64976), (1240, 57902), (1310, 54808), (1360, 52793), (1612, 44540), (1703, 42160), (1768, 40610), (2015, 35632), (2096, 34255), (2108, 34060), (2210, 32488), (2227, 32240), (2480, 28951), (2620, 27404), (2635, 27248), (3224, 22270), (3406, 21080), (3536, 20305), (4030, 17816), (4061, 17680), (4216, 17030), (4420, 16244), (4454, 16120), (5240, 13702), (5270, 13624), (6448, 11135), (6812, 10540), (6851, 10480), (8060, 8908), (8122, 8840), (8432, 8515)]