68498820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{401}}^1$

素因数の和:502

約数の個数: 144

約数和(自身を含む): 227393712

約数和(自身を除く): 158894892

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 73, 78, 90, 117, 130, 146, 156, 180, 195, 219, 234, 260, 292, 365, 390, 401, 438, 468, 585, 657, 730, 780, 802, 876, 949, 1095, 1170, 1203, 1314, 1460, 1604, 1898, 2005, 2190, 2340, 2406, 2628, 2847, 3285, 3609, 3796, 4010, 4380, 4745, 4812, 5213, 5694, 6015, 6570, 7218, 8020, 8541, 9490, 10426, 11388, 12030, 13140, 14235, 14436, 15639, 17082, 18045, 18980, 20852, 24060, 26065, 28470, 29273, 31278, 34164, 36090, 42705, 46917, 52130, 56940, 58546, 62556, 72180, 78195, 85410, 87819, 93834, 104260, 117092, 146365, 156390, 170820, 175638, 187668, 234585, 263457, 292730, 312780, 351276, 380549, 439095, 469170, 526914, 585460, 761098, 878190, 938340, 1053828, 1141647, 1317285, 1522196, 1756380, 1902745, 2283294, 2634570, 3424941, 3805490, 4566588, 5269140, 5708235, 6849882, 7610980, 11416470, 13699764, 17124705, 22832940, 34249410, 68498820]

約数ペア:

[(1, 68498820), (2, 34249410), (3, 22832940), (4, 17124705), (5, 13699764), (6, 11416470), (9, 7610980), (10, 6849882), (12, 5708235), (13, 5269140), (15, 4566588), (18, 3805490), (20, 3424941), (26, 2634570), (30, 2283294), (36, 1902745), (39, 1756380), (45, 1522196), (52, 1317285), (60, 1141647), (65, 1053828), (73, 938340), (78, 878190), (90, 761098), (117, 585460), (130, 526914), (146, 469170), (156, 439095), (180, 380549), (195, 351276), (219, 312780), (234, 292730), (260, 263457), (292, 234585), (365, 187668), (390, 175638), (401, 170820), (438, 156390), (468, 146365), (585, 117092), (657, 104260), (730, 93834), (780, 87819), (802, 85410), (876, 78195), (949, 72180), (1095, 62556), (1170, 58546), (1203, 56940), (1314, 52130), (1460, 46917), (1604, 42705), (1898, 36090), (2005, 34164), (2190, 31278), (2340, 29273), (2406, 28470), (2628, 26065), (2847, 24060), (3285, 20852), (3609, 18980), (3796, 18045), (4010, 17082), (4380, 15639), (4745, 14436), (4812, 14235), (5213, 13140), (5694, 12030), (6015, 11388), (6570, 10426), (7218, 9490), (8020, 8541)]