71681580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:328

約数の個数: 144

約数和(自身を含む): 229057920

約数和(自身を除く): 157376340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 47, 60, 74, 90, 94, 111, 141, 148, 180, 185, 188, 222, 229, 235, 282, 333, 370, 423, 444, 458, 470, 555, 564, 666, 687, 705, 740, 846, 916, 940, 1110, 1145, 1332, 1374, 1410, 1665, 1692, 1739, 2061, 2115, 2220, 2290, 2748, 2820, 3330, 3435, 3478, 4122, 4230, 4580, 5217, 6660, 6870, 6956, 8244, 8460, 8473, 8695, 10305, 10434, 10763, 13740, 15651, 16946, 17390, 20610, 20868, 21526, 25419, 26085, 31302, 32289, 33892, 34780, 41220, 42365, 43052, 50838, 52170, 53815, 62604, 64578, 76257, 78255, 84730, 96867, 101676, 104340, 107630, 127095, 129156, 152514, 156510, 161445, 169460, 193734, 215260, 254190, 305028, 313020, 322890, 381285, 387468, 398231, 484335, 508380, 645780, 762570, 796462, 968670, 1194693, 1525140, 1592924, 1937340, 1991155, 2389386, 3584079, 3982310, 4778772, 5973465, 7168158, 7964620, 11946930, 14336316, 17920395, 23893860, 35840790, 71681580]

約数ペア:

[(1, 71681580), (2, 35840790), (3, 23893860), (4, 17920395), (5, 14336316), (6, 11946930), (9, 7964620), (10, 7168158), (12, 5973465), (15, 4778772), (18, 3982310), (20, 3584079), (30, 2389386), (36, 1991155), (37, 1937340), (45, 1592924), (47, 1525140), (60, 1194693), (74, 968670), (90, 796462), (94, 762570), (111, 645780), (141, 508380), (148, 484335), (180, 398231), (185, 387468), (188, 381285), (222, 322890), (229, 313020), (235, 305028), (282, 254190), (333, 215260), (370, 193734), (423, 169460), (444, 161445), (458, 156510), (470, 152514), (555, 129156), (564, 127095), (666, 107630), (687, 104340), (705, 101676), (740, 96867), (846, 84730), (916, 78255), (940, 76257), (1110, 64578), (1145, 62604), (1332, 53815), (1374, 52170), (1410, 50838), (1665, 43052), (1692, 42365), (1739, 41220), (2061, 34780), (2115, 33892), (2220, 32289), (2290, 31302), (2748, 26085), (2820, 25419), (3330, 21526), (3435, 20868), (3478, 20610), (4122, 17390), (4230, 16946), (4580, 15651), (5217, 13740), (6660, 10763), (6870, 10434), (6956, 10305), (8244, 8695), (8460, 8473)]