217227420

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1$

素因数の和:391

約数の個数: 168

約数和(自身を含む): 700709184

約数和(自身を除く): 483481764

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 47, 54, 60, 81, 90, 94, 108, 135, 141, 162, 180, 188, 235, 243, 270, 282, 317, 324, 405, 423, 470, 486, 540, 564, 634, 705, 729, 810, 846, 940, 951, 972, 1215, 1268, 1269, 1410, 1458, 1585, 1620, 1692, 1902, 2115, 2430, 2538, 2820, 2853, 2916, 3170, 3645, 3804, 3807, 4230, 4755, 4860, 5076, 5706, 6340, 6345, 7290, 7614, 8460, 8559, 9510, 11412, 11421, 12690, 14265, 14580, 14899, 15228, 17118, 19020, 19035, 22842, 25380, 25677, 28530, 29798, 34236, 34263, 38070, 42795, 44697, 45684, 51354, 57060, 57105, 59596, 68526, 74495, 76140, 77031, 85590, 89394, 102708, 114210, 128385, 134091, 137052, 148990, 154062, 171180, 171315, 178788, 223485, 228420, 231093, 256770, 268182, 297980, 308124, 342630, 385155, 402273, 446970, 462186, 513540, 536364, 670455, 685260, 770310, 804546, 893940, 924372, 1155465, 1206819, 1340910, 1540620, 1609092, 2011365, 2310930, 2413638, 2681820, 3620457, 4022730, 4621860, 4827276, 6034095, 7240914, 8045460, 10861371, 12068190, 14481828, 18102285, 21722742, 24136380, 36204570, 43445484, 54306855, 72409140, 108613710, 217227420]

約数ペア:

[(1, 217227420), (2, 108613710), (3, 72409140), (4, 54306855), (5, 43445484), (6, 36204570), (9, 24136380), (10, 21722742), (12, 18102285), (15, 14481828), (18, 12068190), (20, 10861371), (27, 8045460), (30, 7240914), (36, 6034095), (45, 4827276), (47, 4621860), (54, 4022730), (60, 3620457), (81, 2681820), (90, 2413638), (94, 2310930), (108, 2011365), (135, 1609092), (141, 1540620), (162, 1340910), (180, 1206819), (188, 1155465), (235, 924372), (243, 893940), (270, 804546), (282, 770310), (317, 685260), (324, 670455), (405, 536364), (423, 513540), (470, 462186), (486, 446970), (540, 402273), (564, 385155), (634, 342630), (705, 308124), (729, 297980), (810, 268182), (846, 256770), (940, 231093), (951, 228420), (972, 223485), (1215, 178788), (1268, 171315), (1269, 171180), (1410, 154062), (1458, 148990), (1585, 137052), (1620, 134091), (1692, 128385), (1902, 114210), (2115, 102708), (2430, 89394), (2538, 85590), (2820, 77031), (2853, 76140), (2916, 74495), (3170, 68526), (3645, 59596), (3804, 57105), (3807, 57060), (4230, 51354), (4755, 45684), (4860, 44697), (5076, 42795), (5706, 38070), (6340, 34263), (6345, 34236), (7290, 29798), (7614, 28530), (8460, 25677), (8559, 25380), (9510, 22842), (11412, 19035), (11421, 19020), (12690, 17118), (14265, 15228), (14580, 14899)]