25338780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:304

約数の個数: 144

約数和(自身を含む): 83865600

約数和(自身を除く): 58526820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 31, 36, 38, 45, 57, 60, 62, 76, 90, 93, 95, 114, 124, 155, 171, 180, 186, 190, 228, 239, 279, 285, 310, 342, 372, 380, 465, 478, 558, 570, 589, 620, 684, 717, 855, 930, 956, 1116, 1140, 1178, 1195, 1395, 1434, 1710, 1767, 1860, 2151, 2356, 2390, 2790, 2868, 2945, 3420, 3534, 3585, 4302, 4541, 4780, 5301, 5580, 5890, 7068, 7170, 7409, 8604, 8835, 9082, 10602, 10755, 11780, 13623, 14340, 14818, 17670, 18164, 21204, 21510, 22227, 22705, 26505, 27246, 29636, 35340, 37045, 40869, 43020, 44454, 45410, 53010, 54492, 66681, 68115, 74090, 81738, 88908, 90820, 106020, 111135, 133362, 136230, 140771, 148180, 163476, 204345, 222270, 266724, 272460, 281542, 333405, 408690, 422313, 444540, 563084, 666810, 703855, 817380, 844626, 1266939, 1333620, 1407710, 1689252, 2111565, 2533878, 2815420, 4223130, 5067756, 6334695, 8446260, 12669390, 25338780]

約数ペア:

[(1, 25338780), (2, 12669390), (3, 8446260), (4, 6334695), (5, 5067756), (6, 4223130), (9, 2815420), (10, 2533878), (12, 2111565), (15, 1689252), (18, 1407710), (19, 1333620), (20, 1266939), (30, 844626), (31, 817380), (36, 703855), (38, 666810), (45, 563084), (57, 444540), (60, 422313), (62, 408690), (76, 333405), (90, 281542), (93, 272460), (95, 266724), (114, 222270), (124, 204345), (155, 163476), (171, 148180), (180, 140771), (186, 136230), (190, 133362), (228, 111135), (239, 106020), (279, 90820), (285, 88908), (310, 81738), (342, 74090), (372, 68115), (380, 66681), (465, 54492), (478, 53010), (558, 45410), (570, 44454), (589, 43020), (620, 40869), (684, 37045), (717, 35340), (855, 29636), (930, 27246), (956, 26505), (1116, 22705), (1140, 22227), (1178, 21510), (1195, 21204), (1395, 18164), (1434, 17670), (1710, 14818), (1767, 14340), (1860, 13623), (2151, 11780), (2356, 10755), (2390, 10602), (2790, 9082), (2868, 8835), (2945, 8604), (3420, 7409), (3534, 7170), (3585, 7068), (4302, 5890), (4541, 5580), (4780, 5301)]