252779580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{509}}^1$

素因数の和:644

約数の個数: 144

約数和(自身を含む): 801964800

約数和(自身を除く): 549185220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 89, 90, 93, 124, 155, 178, 180, 186, 267, 279, 310, 356, 372, 445, 465, 509, 534, 558, 620, 801, 890, 930, 1018, 1068, 1116, 1335, 1395, 1527, 1602, 1780, 1860, 2036, 2545, 2670, 2759, 2790, 3054, 3204, 4005, 4581, 5090, 5340, 5518, 5580, 6108, 7635, 8010, 8277, 9162, 10180, 11036, 13795, 15270, 15779, 16020, 16554, 18324, 22905, 24831, 27590, 30540, 31558, 33108, 41385, 45301, 45810, 47337, 49662, 55180, 63116, 78895, 82770, 90602, 91620, 94674, 99324, 124155, 135903, 142011, 157790, 165540, 181204, 189348, 226505, 236685, 248310, 271806, 284022, 315580, 407709, 453010, 473370, 496620, 543612, 568044, 679515, 710055, 815418, 906020, 946740, 1359030, 1404331, 1420110, 1630836, 2038545, 2718060, 2808662, 2840220, 4077090, 4212993, 5617324, 7021655, 8154180, 8425986, 12638979, 14043310, 16851972, 21064965, 25277958, 28086620, 42129930, 50555916, 63194895, 84259860, 126389790, 252779580]

約数ペア:

[(1, 252779580), (2, 126389790), (3, 84259860), (4, 63194895), (5, 50555916), (6, 42129930), (9, 28086620), (10, 25277958), (12, 21064965), (15, 16851972), (18, 14043310), (20, 12638979), (30, 8425986), (31, 8154180), (36, 7021655), (45, 5617324), (60, 4212993), (62, 4077090), (89, 2840220), (90, 2808662), (93, 2718060), (124, 2038545), (155, 1630836), (178, 1420110), (180, 1404331), (186, 1359030), (267, 946740), (279, 906020), (310, 815418), (356, 710055), (372, 679515), (445, 568044), (465, 543612), (509, 496620), (534, 473370), (558, 453010), (620, 407709), (801, 315580), (890, 284022), (930, 271806), (1018, 248310), (1068, 236685), (1116, 226505), (1335, 189348), (1395, 181204), (1527, 165540), (1602, 157790), (1780, 142011), (1860, 135903), (2036, 124155), (2545, 99324), (2670, 94674), (2759, 91620), (2790, 90602), (3054, 82770), (3204, 78895), (4005, 63116), (4581, 55180), (5090, 49662), (5340, 47337), (5518, 45810), (5580, 45301), (6108, 41385), (7635, 33108), (8010, 31558), (8277, 30540), (9162, 27590), (10180, 24831), (11036, 22905), (13795, 18324), (15270, 16554), (15779, 16020)]