71384520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:403

約数の個数: 128

約数和(自身を含む): 228096000

約数和(自身を除く): 156711480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 131, 152, 190, 228, 239, 262, 285, 380, 393, 456, 478, 524, 570, 655, 717, 760, 786, 956, 1048, 1140, 1195, 1310, 1434, 1572, 1912, 1965, 2280, 2390, 2489, 2620, 2868, 3144, 3585, 3930, 4541, 4780, 4978, 5240, 5736, 7170, 7467, 7860, 9082, 9560, 9956, 12445, 13623, 14340, 14934, 15720, 18164, 19912, 22705, 24890, 27246, 28680, 29868, 31309, 36328, 37335, 45410, 49780, 54492, 59736, 62618, 68115, 74670, 90820, 93927, 99560, 108984, 125236, 136230, 149340, 156545, 181640, 187854, 250472, 272460, 298680, 313090, 375708, 469635, 544920, 594871, 626180, 751416, 939270, 1189742, 1252360, 1784613, 1878540, 2379484, 2974355, 3569226, 3757080, 4758968, 5948710, 7138452, 8923065, 11897420, 14276904, 17846130, 23794840, 35692260, 71384520]

約数ペア:

[(1, 71384520), (2, 35692260), (3, 23794840), (4, 17846130), (5, 14276904), (6, 11897420), (8, 8923065), (10, 7138452), (12, 5948710), (15, 4758968), (19, 3757080), (20, 3569226), (24, 2974355), (30, 2379484), (38, 1878540), (40, 1784613), (57, 1252360), (60, 1189742), (76, 939270), (95, 751416), (114, 626180), (120, 594871), (131, 544920), (152, 469635), (190, 375708), (228, 313090), (239, 298680), (262, 272460), (285, 250472), (380, 187854), (393, 181640), (456, 156545), (478, 149340), (524, 136230), (570, 125236), (655, 108984), (717, 99560), (760, 93927), (786, 90820), (956, 74670), (1048, 68115), (1140, 62618), (1195, 59736), (1310, 54492), (1434, 49780), (1572, 45410), (1912, 37335), (1965, 36328), (2280, 31309), (2390, 29868), (2489, 28680), (2620, 27246), (2868, 24890), (3144, 22705), (3585, 19912), (3930, 18164), (4541, 15720), (4780, 14934), (4978, 14340), (5240, 13623), (5736, 12445), (7170, 9956), (7467, 9560), (7860, 9082)]