1291777320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1\times {\mathrm{1229}}^1$

素因数の和:1723

約数の個数: 128

約数和(自身を含む): 4091472000

約数和(自身を除く): 2799694680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 461, 570, 760, 922, 1140, 1229, 1383, 1844, 2280, 2305, 2458, 2766, 3687, 3688, 4610, 4916, 5532, 6145, 6915, 7374, 8759, 9220, 9832, 11064, 12290, 13830, 14748, 17518, 18435, 18440, 23351, 24580, 26277, 27660, 29496, 35036, 36870, 43795, 46702, 49160, 52554, 55320, 70053, 70072, 73740, 87590, 93404, 105108, 116755, 131385, 140106, 147480, 175180, 186808, 210216, 233510, 262770, 280212, 350265, 350360, 467020, 525540, 560424, 566569, 700530, 934040, 1051080, 1133138, 1401060, 1699707, 2266276, 2802120, 2832845, 3399414, 4532552, 5665690, 6798828, 8498535, 10764811, 11331380, 13597656, 16997070, 21529622, 22662760, 32294433, 33994140, 43059244, 53824055, 64588866, 67988280, 86118488, 107648110, 129177732, 161472165, 215296220, 258355464, 322944330, 430592440, 645888660, 1291777320]

約数ペア:

[(1, 1291777320), (2, 645888660), (3, 430592440), (4, 322944330), (5, 258355464), (6, 215296220), (8, 161472165), (10, 129177732), (12, 107648110), (15, 86118488), (19, 67988280), (20, 64588866), (24, 53824055), (30, 43059244), (38, 33994140), (40, 32294433), (57, 22662760), (60, 21529622), (76, 16997070), (95, 13597656), (114, 11331380), (120, 10764811), (152, 8498535), (190, 6798828), (228, 5665690), (285, 4532552), (380, 3399414), (456, 2832845), (461, 2802120), (570, 2266276), (760, 1699707), (922, 1401060), (1140, 1133138), (1229, 1051080), (1383, 934040), (1844, 700530), (2280, 566569), (2305, 560424), (2458, 525540), (2766, 467020), (3687, 350360), (3688, 350265), (4610, 280212), (4916, 262770), (5532, 233510), (6145, 210216), (6915, 186808), (7374, 175180), (8759, 147480), (9220, 140106), (9832, 131385), (11064, 116755), (12290, 105108), (13830, 93404), (14748, 87590), (17518, 73740), (18435, 70072), (18440, 70053), (23351, 55320), (24580, 52554), (26277, 49160), (27660, 46702), (29496, 43795), (35036, 36870)]