51888420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{547}}^1$

素因数の和:610

約数の個数: 144

約数和(自身を含む): 172343808

約数和(自身を除く): 120455388

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 31, 34, 36, 45, 51, 60, 62, 68, 85, 90, 93, 102, 124, 153, 155, 170, 180, 186, 204, 255, 279, 306, 310, 340, 372, 465, 510, 527, 547, 558, 612, 620, 765, 930, 1020, 1054, 1094, 1116, 1395, 1530, 1581, 1641, 1860, 2108, 2188, 2635, 2735, 2790, 3060, 3162, 3282, 4743, 4923, 5270, 5470, 5580, 6324, 6564, 7905, 8205, 9299, 9486, 9846, 10540, 10940, 15810, 16410, 16957, 18598, 18972, 19692, 23715, 24615, 27897, 31620, 32820, 33914, 37196, 46495, 47430, 49230, 50871, 55794, 67828, 83691, 84785, 92990, 94860, 98460, 101742, 111588, 139485, 152613, 167382, 169570, 185980, 203484, 254355, 278970, 288269, 305226, 334764, 339140, 418455, 508710, 557940, 576538, 610452, 763065, 836910, 864807, 1017420, 1153076, 1441345, 1526130, 1673820, 1729614, 2594421, 2882690, 3052260, 3459228, 4324035, 5188842, 5765380, 8648070, 10377684, 12972105, 17296140, 25944210, 51888420]

約数ペア:

[(1, 51888420), (2, 25944210), (3, 17296140), (4, 12972105), (5, 10377684), (6, 8648070), (9, 5765380), (10, 5188842), (12, 4324035), (15, 3459228), (17, 3052260), (18, 2882690), (20, 2594421), (30, 1729614), (31, 1673820), (34, 1526130), (36, 1441345), (45, 1153076), (51, 1017420), (60, 864807), (62, 836910), (68, 763065), (85, 610452), (90, 576538), (93, 557940), (102, 508710), (124, 418455), (153, 339140), (155, 334764), (170, 305226), (180, 288269), (186, 278970), (204, 254355), (255, 203484), (279, 185980), (306, 169570), (310, 167382), (340, 152613), (372, 139485), (465, 111588), (510, 101742), (527, 98460), (547, 94860), (558, 92990), (612, 84785), (620, 83691), (765, 67828), (930, 55794), (1020, 50871), (1054, 49230), (1094, 47430), (1116, 46495), (1395, 37196), (1530, 33914), (1581, 32820), (1641, 31620), (1860, 27897), (2108, 24615), (2188, 23715), (2635, 19692), (2735, 18972), (2790, 18598), (3060, 16957), (3162, 16410), (3282, 15810), (4743, 10940), (4923, 10540), (5270, 9846), (5470, 9486), (5580, 9299), (6324, 8205), (6564, 7905)]