19200780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1$

素因数の和:117

約数の個数: 144

約数和(自身を含む): 63393120

約数和(自身を除く): 44192340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 37, 45, 54, 60, 62, 74, 90, 93, 108, 111, 124, 135, 148, 155, 180, 185, 186, 222, 270, 279, 310, 333, 370, 372, 444, 465, 540, 555, 558, 620, 666, 740, 837, 930, 961, 999, 1110, 1116, 1147, 1332, 1395, 1665, 1674, 1860, 1922, 1998, 2220, 2294, 2790, 2883, 3330, 3348, 3441, 3844, 3996, 4185, 4588, 4805, 4995, 5580, 5735, 5766, 6660, 6882, 8370, 8649, 9610, 9990, 10323, 11470, 11532, 13764, 14415, 16740, 17205, 17298, 19220, 19980, 20646, 22940, 25947, 28830, 30969, 34410, 34596, 35557, 41292, 43245, 51615, 51894, 57660, 61938, 68820, 71114, 86490, 103230, 103788, 106671, 123876, 129735, 142228, 154845, 172980, 177785, 206460, 213342, 259470, 309690, 320013, 355570, 426684, 518940, 533355, 619380, 640026, 711140, 960039, 1066710, 1280052, 1600065, 1920078, 2133420, 3200130, 3840156, 4800195, 6400260, 9600390, 19200780]

約数ペア:

[(1, 19200780), (2, 9600390), (3, 6400260), (4, 4800195), (5, 3840156), (6, 3200130), (9, 2133420), (10, 1920078), (12, 1600065), (15, 1280052), (18, 1066710), (20, 960039), (27, 711140), (30, 640026), (31, 619380), (36, 533355), (37, 518940), (45, 426684), (54, 355570), (60, 320013), (62, 309690), (74, 259470), (90, 213342), (93, 206460), (108, 177785), (111, 172980), (124, 154845), (135, 142228), (148, 129735), (155, 123876), (180, 106671), (185, 103788), (186, 103230), (222, 86490), (270, 71114), (279, 68820), (310, 61938), (333, 57660), (370, 51894), (372, 51615), (444, 43245), (465, 41292), (540, 35557), (555, 34596), (558, 34410), (620, 30969), (666, 28830), (740, 25947), (837, 22940), (930, 20646), (961, 19980), (999, 19220), (1110, 17298), (1116, 17205), (1147, 16740), (1332, 14415), (1395, 13764), (1665, 11532), (1674, 11470), (1860, 10323), (1922, 9990), (1998, 9610), (2220, 8649), (2294, 8370), (2790, 6882), (2883, 6660), (3330, 5766), (3348, 5735), (3441, 5580), (3844, 4995), (3996, 4805), (4185, 4588)]