1961820

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{173}}^1$

素因数の和:201

約数の個数: 120

約数和(自身を含む): 7074144

約数和(自身を除く): 5112324

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 173, 180, 189, 210, 252, 270, 315, 324, 346, 378, 405, 420, 519, 540, 567, 630, 692, 756, 810, 865, 945, 1038, 1134, 1211, 1260, 1557, 1620, 1730, 1890, 2076, 2268, 2422, 2595, 2835, 3114, 3460, 3633, 3780, 4671, 4844, 5190, 5670, 6055, 6228, 7266, 7785, 9342, 10380, 10899, 11340, 12110, 14013, 14532, 15570, 18165, 18684, 21798, 23355, 24220, 28026, 31140, 32697, 36330, 43596, 46710, 54495, 56052, 65394, 70065, 72660, 93420, 98091, 108990, 130788, 140130, 163485, 196182, 217980, 280260, 326970, 392364, 490455, 653940, 980910, 1961820]

約数ペア:

[(1, 1961820), (2, 980910), (3, 653940), (4, 490455), (5, 392364), (6, 326970), (7, 280260), (9, 217980), (10, 196182), (12, 163485), (14, 140130), (15, 130788), (18, 108990), (20, 98091), (21, 93420), (27, 72660), (28, 70065), (30, 65394), (35, 56052), (36, 54495), (42, 46710), (45, 43596), (54, 36330), (60, 32697), (63, 31140), (70, 28026), (81, 24220), (84, 23355), (90, 21798), (105, 18684), (108, 18165), (126, 15570), (135, 14532), (140, 14013), (162, 12110), (173, 11340), (180, 10899), (189, 10380), (210, 9342), (252, 7785), (270, 7266), (315, 6228), (324, 6055), (346, 5670), (378, 5190), (405, 4844), (420, 4671), (519, 3780), (540, 3633), (567, 3460), (630, 3114), (692, 2835), (756, 2595), (810, 2422), (865, 2268), (945, 2076), (1038, 1890), (1134, 1730), (1211, 1620), (1260, 1557)]