31427760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1439}}^1$

素因数の和:1475

約数の個数: 160

約数和(自身を含む): 119992320

約数和(自身を除く): 88564560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 364, 390, 420, 455, 520, 546, 560, 624, 728, 780, 840, 910, 1040, 1092, 1365, 1439, 1456, 1560, 1680, 1820, 2184, 2730, 2878, 3120, 3640, 4317, 4368, 5460, 5756, 7195, 7280, 8634, 10073, 10920, 11512, 14390, 17268, 18707, 20146, 21585, 21840, 23024, 28780, 30219, 34536, 37414, 40292, 43170, 50365, 56121, 57560, 60438, 69072, 74828, 80584, 86340, 93535, 100730, 112242, 115120, 120876, 130949, 149656, 151095, 161168, 172680, 187070, 201460, 224484, 241752, 261898, 280605, 299312, 302190, 345360, 374140, 392847, 402920, 448968, 483504, 523796, 561210, 604380, 654745, 748280, 785694, 805840, 897936, 1047592, 1122420, 1208760, 1309490, 1496560, 1571388, 1964235, 2095184, 2244840, 2417520, 2618980, 3142776, 3928470, 4489680, 5237960, 6285552, 7856940, 10475920, 15713880, 31427760]

約数ペア:

[(1, 31427760), (2, 15713880), (3, 10475920), (4, 7856940), (5, 6285552), (6, 5237960), (7, 4489680), (8, 3928470), (10, 3142776), (12, 2618980), (13, 2417520), (14, 2244840), (15, 2095184), (16, 1964235), (20, 1571388), (21, 1496560), (24, 1309490), (26, 1208760), (28, 1122420), (30, 1047592), (35, 897936), (39, 805840), (40, 785694), (42, 748280), (48, 654745), (52, 604380), (56, 561210), (60, 523796), (65, 483504), (70, 448968), (78, 402920), (80, 392847), (84, 374140), (91, 345360), (104, 302190), (105, 299312), (112, 280605), (120, 261898), (130, 241752), (140, 224484), (156, 201460), (168, 187070), (182, 172680), (195, 161168), (208, 151095), (210, 149656), (240, 130949), (260, 120876), (273, 115120), (280, 112242), (312, 100730), (336, 93535), (364, 86340), (390, 80584), (420, 74828), (455, 69072), (520, 60438), (546, 57560), (560, 56121), (624, 50365), (728, 43170), (780, 40292), (840, 37414), (910, 34536), (1040, 30219), (1092, 28780), (1365, 23024), (1439, 21840), (1456, 21585), (1560, 20146), (1680, 18707), (1820, 17268), (2184, 14390), (2730, 11512), (2878, 10920), (3120, 10073), (3640, 8634), (4317, 7280), (4368, 7195), (5460, 5756)]