61390140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:209

約数の個数: 192

約数和(自身を含む): 212352000

約数和(自身を除く): 150961860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 157, 190, 196, 210, 228, 245, 266, 285, 294, 314, 343, 380, 399, 420, 471, 490, 532, 570, 588, 628, 665, 686, 735, 785, 798, 931, 942, 980, 1029, 1099, 1140, 1330, 1372, 1470, 1570, 1596, 1715, 1862, 1884, 1995, 2058, 2198, 2355, 2660, 2793, 2940, 2983, 3140, 3297, 3430, 3724, 3990, 4116, 4396, 4655, 4710, 5145, 5495, 5586, 5966, 6517, 6594, 6860, 7693, 7980, 8949, 9310, 9420, 10290, 10990, 11172, 11932, 13034, 13188, 13965, 14915, 15386, 16485, 17898, 18620, 19551, 20580, 20881, 21980, 23079, 26068, 27930, 29830, 30772, 32585, 32970, 35796, 38465, 39102, 41762, 44745, 46158, 53851, 55860, 59660, 62643, 65170, 65940, 76930, 78204, 83524, 89490, 92316, 97755, 104405, 107702, 115395, 125286, 130340, 146167, 153860, 161553, 178980, 195510, 208810, 215404, 230790, 250572, 269255, 292334, 313215, 323106, 391020, 417620, 438501, 461580, 538510, 584668, 626430, 646212, 730835, 807765, 877002, 1023169, 1077020, 1252860, 1461670, 1615530, 1754004, 2046338, 2192505, 2923340, 3069507, 3231060, 4092676, 4385010, 5115845, 6139014, 8770020, 10231690, 12278028, 15347535, 20463380, 30695070, 61390140]

約数ペア:

[(1, 61390140), (2, 30695070), (3, 20463380), (4, 15347535), (5, 12278028), (6, 10231690), (7, 8770020), (10, 6139014), (12, 5115845), (14, 4385010), (15, 4092676), (19, 3231060), (20, 3069507), (21, 2923340), (28, 2192505), (30, 2046338), (35, 1754004), (38, 1615530), (42, 1461670), (49, 1252860), (57, 1077020), (60, 1023169), (70, 877002), (76, 807765), (84, 730835), (95, 646212), (98, 626430), (105, 584668), (114, 538510), (133, 461580), (140, 438501), (147, 417620), (157, 391020), (190, 323106), (196, 313215), (210, 292334), (228, 269255), (245, 250572), (266, 230790), (285, 215404), (294, 208810), (314, 195510), (343, 178980), (380, 161553), (399, 153860), (420, 146167), (471, 130340), (490, 125286), (532, 115395), (570, 107702), (588, 104405), (628, 97755), (665, 92316), (686, 89490), (735, 83524), (785, 78204), (798, 76930), (931, 65940), (942, 65170), (980, 62643), (1029, 59660), (1099, 55860), (1140, 53851), (1330, 46158), (1372, 44745), (1470, 41762), (1570, 39102), (1596, 38465), (1715, 35796), (1862, 32970), (1884, 32585), (1995, 30772), (2058, 29830), (2198, 27930), (2355, 26068), (2660, 23079), (2793, 21980), (2940, 20881), (2983, 20580), (3140, 19551), (3297, 18620), (3430, 17898), (3724, 16485), (3990, 15386), (4116, 14915), (4396, 13965), (4655, 13188), (4710, 13034), (5145, 11932), (5495, 11172), (5586, 10990), (5966, 10290), (6517, 9420), (6594, 9310), (6860, 8949), (7693, 7980)]