71995860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:238

約数の個数: 144

約数和(自身を含む): 227485440

約数和(自身を除く): 155489580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 79, 83, 90, 122, 158, 166, 180, 183, 237, 244, 249, 305, 316, 332, 366, 395, 415, 474, 498, 549, 610, 711, 732, 747, 790, 830, 915, 948, 996, 1098, 1185, 1220, 1245, 1422, 1494, 1580, 1660, 1830, 2196, 2370, 2490, 2745, 2844, 2988, 3555, 3660, 3735, 4740, 4819, 4980, 5063, 5490, 6557, 7110, 7470, 9638, 10126, 10980, 13114, 14220, 14457, 14940, 15189, 19276, 19671, 20252, 24095, 25315, 26228, 28914, 30378, 32785, 39342, 43371, 45567, 48190, 50630, 57828, 59013, 60756, 65570, 72285, 75945, 78684, 86742, 91134, 96380, 98355, 101260, 118026, 131140, 144570, 151890, 173484, 182268, 196710, 216855, 227835, 236052, 289140, 295065, 303780, 393420, 399977, 433710, 455670, 590130, 799954, 867420, 911340, 1180260, 1199931, 1599908, 1999885, 2399862, 3599793, 3999770, 4799724, 5999655, 7199586, 7999540, 11999310, 14399172, 17998965, 23998620, 35997930, 71995860]

約数ペア:

[(1, 71995860), (2, 35997930), (3, 23998620), (4, 17998965), (5, 14399172), (6, 11999310), (9, 7999540), (10, 7199586), (12, 5999655), (15, 4799724), (18, 3999770), (20, 3599793), (30, 2399862), (36, 1999885), (45, 1599908), (60, 1199931), (61, 1180260), (79, 911340), (83, 867420), (90, 799954), (122, 590130), (158, 455670), (166, 433710), (180, 399977), (183, 393420), (237, 303780), (244, 295065), (249, 289140), (305, 236052), (316, 227835), (332, 216855), (366, 196710), (395, 182268), (415, 173484), (474, 151890), (498, 144570), (549, 131140), (610, 118026), (711, 101260), (732, 98355), (747, 96380), (790, 91134), (830, 86742), (915, 78684), (948, 75945), (996, 72285), (1098, 65570), (1185, 60756), (1220, 59013), (1245, 57828), (1422, 50630), (1494, 48190), (1580, 45567), (1660, 43371), (1830, 39342), (2196, 32785), (2370, 30378), (2490, 28914), (2745, 26228), (2844, 25315), (2988, 24095), (3555, 20252), (3660, 19671), (3735, 19276), (4740, 15189), (4819, 14940), (4980, 14457), (5063, 14220), (5490, 13114), (6557, 10980), (7110, 10126), (7470, 9638)]