87338580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{487}}^1$

素因数の和:574

約数の個数: 144

約数和(自身を含む): 289731456

約数和(自身を除く): 202392876

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 61, 70, 84, 98, 105, 122, 140, 147, 183, 196, 210, 244, 245, 294, 305, 366, 420, 427, 487, 490, 588, 610, 732, 735, 854, 915, 974, 980, 1220, 1281, 1461, 1470, 1708, 1830, 1948, 2135, 2435, 2562, 2922, 2940, 2989, 3409, 3660, 4270, 4870, 5124, 5844, 5978, 6405, 6818, 7305, 8540, 8967, 9740, 10227, 11956, 12810, 13636, 14610, 14945, 17045, 17934, 20454, 23863, 25620, 29220, 29707, 29890, 34090, 35868, 40908, 44835, 47726, 51135, 59414, 59780, 68180, 71589, 89121, 89670, 95452, 102270, 118828, 119315, 143178, 148535, 178242, 179340, 204540, 207949, 238630, 286356, 297070, 356484, 357945, 415898, 445605, 477260, 594140, 623847, 715890, 831796, 891210, 1039745, 1247694, 1431780, 1455643, 1782420, 2079490, 2495388, 2911286, 3119235, 4158980, 4366929, 5822572, 6238470, 7278215, 8733858, 12476940, 14556430, 17467716, 21834645, 29112860, 43669290, 87338580]

約数ペア:

[(1, 87338580), (2, 43669290), (3, 29112860), (4, 21834645), (5, 17467716), (6, 14556430), (7, 12476940), (10, 8733858), (12, 7278215), (14, 6238470), (15, 5822572), (20, 4366929), (21, 4158980), (28, 3119235), (30, 2911286), (35, 2495388), (42, 2079490), (49, 1782420), (60, 1455643), (61, 1431780), (70, 1247694), (84, 1039745), (98, 891210), (105, 831796), (122, 715890), (140, 623847), (147, 594140), (183, 477260), (196, 445605), (210, 415898), (244, 357945), (245, 356484), (294, 297070), (305, 286356), (366, 238630), (420, 207949), (427, 204540), (487, 179340), (490, 178242), (588, 148535), (610, 143178), (732, 119315), (735, 118828), (854, 102270), (915, 95452), (974, 89670), (980, 89121), (1220, 71589), (1281, 68180), (1461, 59780), (1470, 59414), (1708, 51135), (1830, 47726), (1948, 44835), (2135, 40908), (2435, 35868), (2562, 34090), (2922, 29890), (2940, 29707), (2989, 29220), (3409, 25620), (3660, 23863), (4270, 20454), (4870, 17934), (5124, 17045), (5844, 14945), (5978, 14610), (6405, 13636), (6818, 12810), (7305, 11956), (8540, 10227), (8967, 9740)]