77872920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{647}}^1$

素因数の和:737

約数の個数: 128

約数和(自身を含む): 251942400

約数和(自身を除く): 174069480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 59, 60, 68, 85, 102, 118, 120, 136, 170, 177, 204, 236, 255, 295, 340, 354, 408, 472, 510, 590, 647, 680, 708, 885, 1003, 1020, 1180, 1294, 1416, 1770, 1941, 2006, 2040, 2360, 2588, 3009, 3235, 3540, 3882, 4012, 5015, 5176, 6018, 6470, 7080, 7764, 8024, 9705, 10030, 10999, 12036, 12940, 15045, 15528, 19410, 20060, 21998, 24072, 25880, 30090, 32997, 38173, 38820, 40120, 43996, 54995, 60180, 65994, 76346, 77640, 87992, 109990, 114519, 120360, 131988, 152692, 164985, 190865, 219980, 229038, 263976, 305384, 329970, 381730, 439960, 458076, 572595, 648941, 659940, 763460, 916152, 1145190, 1297882, 1319880, 1526920, 1946823, 2290380, 2595764, 3244705, 3893646, 4580760, 5191528, 6489410, 7787292, 9734115, 12978820, 15574584, 19468230, 25957640, 38936460, 77872920]

約数ペア:

[(1, 77872920), (2, 38936460), (3, 25957640), (4, 19468230), (5, 15574584), (6, 12978820), (8, 9734115), (10, 7787292), (12, 6489410), (15, 5191528), (17, 4580760), (20, 3893646), (24, 3244705), (30, 2595764), (34, 2290380), (40, 1946823), (51, 1526920), (59, 1319880), (60, 1297882), (68, 1145190), (85, 916152), (102, 763460), (118, 659940), (120, 648941), (136, 572595), (170, 458076), (177, 439960), (204, 381730), (236, 329970), (255, 305384), (295, 263976), (340, 229038), (354, 219980), (408, 190865), (472, 164985), (510, 152692), (590, 131988), (647, 120360), (680, 114519), (708, 109990), (885, 87992), (1003, 77640), (1020, 76346), (1180, 65994), (1294, 60180), (1416, 54995), (1770, 43996), (1941, 40120), (2006, 38820), (2040, 38173), (2360, 32997), (2588, 30090), (3009, 25880), (3235, 24072), (3540, 21998), (3882, 20060), (4012, 19410), (5015, 15528), (5176, 15045), (6018, 12940), (6470, 12036), (7080, 10999), (7764, 10030), (8024, 9705)]