388412820

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12619}}^1$

素因数の和:12659

約数の個数: 120

約数和(自身を含む): 1282696800

約数和(自身を除く): 894283980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 270, 285, 324, 342, 380, 405, 513, 540, 570, 684, 810, 855, 1026, 1140, 1539, 1620, 1710, 2052, 2565, 3078, 3420, 5130, 6156, 7695, 10260, 12619, 15390, 25238, 30780, 37857, 50476, 63095, 75714, 113571, 126190, 151428, 189285, 227142, 239761, 252380, 340713, 378570, 454284, 479522, 567855, 681426, 719283, 757140, 959044, 1022139, 1135710, 1198805, 1362852, 1438566, 1703565, 2044278, 2157849, 2271420, 2397610, 2877132, 3407130, 3596415, 4088556, 4315698, 4795220, 5110695, 6473547, 6814260, 7192830, 8631396, 10221390, 10789245, 12947094, 14385660, 19420641, 20442780, 21578490, 25894188, 32367735, 38841282, 43156980, 64735470, 77682564, 97103205, 129470940, 194206410, 388412820]

約数ペア:

[(1, 388412820), (2, 194206410), (3, 129470940), (4, 97103205), (5, 77682564), (6, 64735470), (9, 43156980), (10, 38841282), (12, 32367735), (15, 25894188), (18, 21578490), (19, 20442780), (20, 19420641), (27, 14385660), (30, 12947094), (36, 10789245), (38, 10221390), (45, 8631396), (54, 7192830), (57, 6814260), (60, 6473547), (76, 5110695), (81, 4795220), (90, 4315698), (95, 4088556), (108, 3596415), (114, 3407130), (135, 2877132), (162, 2397610), (171, 2271420), (180, 2157849), (190, 2044278), (228, 1703565), (270, 1438566), (285, 1362852), (324, 1198805), (342, 1135710), (380, 1022139), (405, 959044), (513, 757140), (540, 719283), (570, 681426), (684, 567855), (810, 479522), (855, 454284), (1026, 378570), (1140, 340713), (1539, 252380), (1620, 239761), (1710, 227142), (2052, 189285), (2565, 151428), (3078, 126190), (3420, 113571), (5130, 75714), (6156, 63095), (7695, 50476), (10260, 37857), (12619, 30780), (15390, 25238)]