2800208040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{1249}}^1$

素因数の和:1444

約数の個数: 256

約数和(自身を含む): 10238400000

約数和(自身を除く): 7438191960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 119, 120, 136, 140, 157, 168, 170, 204, 210, 238, 255, 280, 314, 340, 357, 408, 420, 471, 476, 510, 595, 628, 680, 714, 785, 840, 942, 952, 1020, 1099, 1190, 1249, 1256, 1428, 1570, 1785, 1884, 2040, 2198, 2355, 2380, 2498, 2669, 2856, 3140, 3297, 3570, 3747, 3768, 4396, 4710, 4760, 4996, 5338, 5495, 6245, 6280, 6594, 7140, 7494, 8007, 8743, 8792, 9420, 9992, 10676, 10990, 12490, 13188, 13345, 14280, 14988, 16014, 16485, 17486, 18683, 18735, 18840, 21233, 21352, 21980, 24980, 26229, 26376, 26690, 29976, 32028, 32970, 34972, 37366, 37470, 40035, 42466, 43715, 43960, 49960, 52458, 53380, 56049, 63699, 64056, 65940, 69944, 74732, 74940, 80070, 84932, 87430, 93415, 104916, 106165, 106760, 112098, 127398, 131145, 131880, 148631, 149464, 149880, 160140, 169864, 174860, 186830, 196093, 209832, 212330, 224196, 254796, 262290, 280245, 297262, 318495, 320280, 349720, 373660, 392186, 424660, 445893, 448392, 509592, 524580, 560490, 588279, 594524, 636990, 743155, 747320, 784372, 849320, 891786, 980465, 1049160, 1120980, 1176558, 1189048, 1273980, 1372651, 1486310, 1568744, 1783572, 1960930, 2229465, 2241960, 2353116, 2547960, 2745302, 2941395, 2972620, 3333581, 3567144, 3921860, 4117953, 4458930, 4706232, 5490604, 5882790, 5945240, 6667162, 6863255, 7843720, 8235906, 8917860, 10000743, 10981208, 11765580, 13334324, 13726510, 16471812, 16667905, 17835720, 20001486, 20589765, 23335067, 23531160, 26668648, 27453020, 32943624, 33335810, 40002972, 41179530, 46670134, 50003715, 54906040, 66671620, 70005201, 80005944, 82359060, 93340268, 100007430, 116675335, 133343240, 140010402, 164718120, 186680536, 200014860, 233350670, 280020804, 350026005, 400029720, 466701340, 560041608, 700052010, 933402680, 1400104020, 2800208040]

約数ペア:

[(1, 2800208040), (2, 1400104020), (3, 933402680), (4, 700052010), (5, 560041608), (6, 466701340), (7, 400029720), (8, 350026005), (10, 280020804), (12, 233350670), (14, 200014860), (15, 186680536), (17, 164718120), (20, 140010402), (21, 133343240), (24, 116675335), (28, 100007430), (30, 93340268), (34, 82359060), (35, 80005944), (40, 70005201), (42, 66671620), (51, 54906040), (56, 50003715), (60, 46670134), (68, 41179530), (70, 40002972), (84, 33335810), (85, 32943624), (102, 27453020), (105, 26668648), (119, 23531160), (120, 23335067), (136, 20589765), (140, 20001486), (157, 17835720), (168, 16667905), (170, 16471812), (204, 13726510), (210, 13334324), (238, 11765580), (255, 10981208), (280, 10000743), (314, 8917860), (340, 8235906), (357, 7843720), (408, 6863255), (420, 6667162), (471, 5945240), (476, 5882790), (510, 5490604), (595, 4706232), (628, 4458930), (680, 4117953), (714, 3921860), (785, 3567144), (840, 3333581), (942, 2972620), (952, 2941395), (1020, 2745302), (1099, 2547960), (1190, 2353116), (1249, 2241960), (1256, 2229465), (1428, 1960930), (1570, 1783572), (1785, 1568744), (1884, 1486310), (2040, 1372651), (2198, 1273980), (2355, 1189048), (2380, 1176558), (2498, 1120980), (2669, 1049160), (2856, 980465), (3140, 891786), (3297, 849320), (3570, 784372), (3747, 747320), (3768, 743155), (4396, 636990), (4710, 594524), (4760, 588279), (4996, 560490), (5338, 524580), (5495, 509592), (6245, 448392), (6280, 445893), (6594, 424660), (7140, 392186), (7494, 373660), (8007, 349720), (8743, 320280), (8792, 318495), (9420, 297262), (9992, 280245), (10676, 262290), (10990, 254796), (12490, 224196), (13188, 212330), (13345, 209832), (14280, 196093), (14988, 186830), (16014, 174860), (16485, 169864), (17486, 160140), (18683, 149880), (18735, 149464), (18840, 148631), (21233, 131880), (21352, 131145), (21980, 127398), (24980, 112098), (26229, 106760), (26376, 106165), (26690, 104916), (29976, 93415), (32028, 87430), (32970, 84932), (34972, 80070), (37366, 74940), (37470, 74732), (40035, 69944), (42466, 65940), (43715, 64056), (43960, 63699), (49960, 56049), (52458, 53380)]