191628180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:220

約数の個数: 240

約数和(自身を含む): 648869760

約数和(自身を除く): 457241580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 37, 45, 46, 54, 60, 69, 74, 81, 90, 92, 108, 111, 115, 135, 138, 139, 148, 162, 180, 185, 207, 222, 230, 270, 276, 278, 324, 333, 345, 370, 405, 414, 417, 444, 460, 540, 555, 556, 621, 666, 690, 695, 740, 810, 828, 834, 851, 999, 1035, 1110, 1242, 1251, 1332, 1380, 1390, 1620, 1665, 1668, 1702, 1863, 1998, 2070, 2085, 2220, 2484, 2502, 2553, 2780, 2997, 3105, 3197, 3330, 3404, 3726, 3753, 3996, 4140, 4170, 4255, 4995, 5004, 5106, 5143, 5994, 6210, 6255, 6394, 6660, 7452, 7506, 7659, 8340, 8510, 9315, 9591, 9990, 10212, 10286, 11259, 11988, 12420, 12510, 12765, 12788, 14985, 15012, 15318, 15429, 15985, 17020, 18630, 18765, 19182, 19980, 20572, 22518, 22977, 25020, 25530, 25715, 28773, 29970, 30636, 30858, 31970, 37260, 37530, 38295, 38364, 45036, 45954, 46287, 47955, 51060, 51430, 56295, 57546, 59940, 61716, 63940, 68931, 75060, 76590, 77145, 86319, 91908, 92574, 95910, 102860, 112590, 114885, 115092, 118289, 137862, 138861, 143865, 153180, 154290, 172638, 185148, 191820, 225180, 229770, 231435, 236578, 258957, 275724, 277722, 287730, 308580, 344655, 345276, 354867, 416583, 431595, 459540, 462870, 473156, 517914, 555444, 575460, 591445, 689310, 694305, 709734, 833166, 863190, 925740, 1035828, 1064601, 1182890, 1294785, 1378620, 1388610, 1419468, 1666332, 1726380, 1774335, 2082915, 2129202, 2365780, 2589570, 2777220, 3193803, 3548670, 4165830, 4258404, 5179140, 5323005, 6387606, 7097340, 8331660, 9581409, 10646010, 12775212, 15969015, 19162818, 21292020, 31938030, 38325636, 47907045, 63876060, 95814090, 191628180]

約数ペア:

[(1, 191628180), (2, 95814090), (3, 63876060), (4, 47907045), (5, 38325636), (6, 31938030), (9, 21292020), (10, 19162818), (12, 15969015), (15, 12775212), (18, 10646010), (20, 9581409), (23, 8331660), (27, 7097340), (30, 6387606), (36, 5323005), (37, 5179140), (45, 4258404), (46, 4165830), (54, 3548670), (60, 3193803), (69, 2777220), (74, 2589570), (81, 2365780), (90, 2129202), (92, 2082915), (108, 1774335), (111, 1726380), (115, 1666332), (135, 1419468), (138, 1388610), (139, 1378620), (148, 1294785), (162, 1182890), (180, 1064601), (185, 1035828), (207, 925740), (222, 863190), (230, 833166), (270, 709734), (276, 694305), (278, 689310), (324, 591445), (333, 575460), (345, 555444), (370, 517914), (405, 473156), (414, 462870), (417, 459540), (444, 431595), (460, 416583), (540, 354867), (555, 345276), (556, 344655), (621, 308580), (666, 287730), (690, 277722), (695, 275724), (740, 258957), (810, 236578), (828, 231435), (834, 229770), (851, 225180), (999, 191820), (1035, 185148), (1110, 172638), (1242, 154290), (1251, 153180), (1332, 143865), (1380, 138861), (1390, 137862), (1620, 118289), (1665, 115092), (1668, 114885), (1702, 112590), (1863, 102860), (1998, 95910), (2070, 92574), (2085, 91908), (2220, 86319), (2484, 77145), (2502, 76590), (2553, 75060), (2780, 68931), (2997, 63940), (3105, 61716), (3197, 59940), (3330, 57546), (3404, 56295), (3726, 51430), (3753, 51060), (3996, 47955), (4140, 46287), (4170, 45954), (4255, 45036), (4995, 38364), (5004, 38295), (5106, 37530), (5143, 37260), (5994, 31970), (6210, 30858), (6255, 30636), (6394, 29970), (6660, 28773), (7452, 25715), (7506, 25530), (7659, 25020), (8340, 22977), (8510, 22518), (9315, 20572), (9591, 19980), (9990, 19182), (10212, 18765), (10286, 18630), (11259, 17020), (11988, 15985), (12420, 15429), (12510, 15318), (12765, 15012), (12788, 14985)]