404820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1$

素因数の和:201

約数の個数: 72

約数和(自身を含む): 1330056

約数和(自身を除く): 925236

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 173, 180, 195, 234, 260, 346, 390, 468, 519, 585, 692, 780, 865, 1038, 1170, 1557, 1730, 2076, 2249, 2340, 2595, 3114, 3460, 4498, 5190, 6228, 6747, 7785, 8996, 10380, 11245, 13494, 15570, 20241, 22490, 26988, 31140, 33735, 40482, 44980, 67470, 80964, 101205, 134940, 202410, 404820]

約数ペア:

[(1, 404820), (2, 202410), (3, 134940), (4, 101205), (5, 80964), (6, 67470), (9, 44980), (10, 40482), (12, 33735), (13, 31140), (15, 26988), (18, 22490), (20, 20241), (26, 15570), (30, 13494), (36, 11245), (39, 10380), (45, 8996), (52, 7785), (60, 6747), (65, 6228), (78, 5190), (90, 4498), (117, 3460), (130, 3114), (156, 2595), (173, 2340), (180, 2249), (195, 2076), (234, 1730), (260, 1557), (346, 1170), (390, 1038), (468, 865), (519, 780), (585, 692)]