128078820

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{457}}^1$

素因数の和:651

約数の個数: 120

約数和(自身を含む): 404994744

約数和(自身を除く): 276915924

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 173, 180, 270, 324, 346, 405, 457, 519, 540, 692, 810, 865, 914, 1038, 1371, 1557, 1620, 1730, 1828, 2076, 2285, 2595, 2742, 3114, 3460, 4113, 4570, 4671, 5190, 5484, 6228, 6855, 7785, 8226, 9140, 9342, 10380, 12339, 13710, 14013, 15570, 16452, 18684, 20565, 23355, 24678, 27420, 28026, 31140, 37017, 41130, 46710, 49356, 56052, 61695, 70065, 74034, 79061, 82260, 93420, 123390, 140130, 148068, 158122, 185085, 237183, 246780, 280260, 316244, 370170, 395305, 474366, 711549, 740340, 790610, 948732, 1185915, 1423098, 1581220, 2134647, 2371830, 2846196, 3557745, 4269294, 4743660, 6403941, 7115490, 8538588, 10673235, 12807882, 14230980, 21346470, 25615764, 32019705, 42692940, 64039410, 128078820]

約数ペア:

[(1, 128078820), (2, 64039410), (3, 42692940), (4, 32019705), (5, 25615764), (6, 21346470), (9, 14230980), (10, 12807882), (12, 10673235), (15, 8538588), (18, 7115490), (20, 6403941), (27, 4743660), (30, 4269294), (36, 3557745), (45, 2846196), (54, 2371830), (60, 2134647), (81, 1581220), (90, 1423098), (108, 1185915), (135, 948732), (162, 790610), (173, 740340), (180, 711549), (270, 474366), (324, 395305), (346, 370170), (405, 316244), (457, 280260), (519, 246780), (540, 237183), (692, 185085), (810, 158122), (865, 148068), (914, 140130), (1038, 123390), (1371, 93420), (1557, 82260), (1620, 79061), (1730, 74034), (1828, 70065), (2076, 61695), (2285, 56052), (2595, 49356), (2742, 46710), (3114, 41130), (3460, 37017), (4113, 31140), (4570, 28026), (4671, 27420), (5190, 24678), (5484, 23355), (6228, 20565), (6855, 18684), (7785, 16452), (8226, 15570), (9140, 14013), (9342, 13710), (10380, 12339)]