221077740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:320

約数の個数: 192

約数和(自身を含む): 708083712

約数和(自身を除く): 487005972

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 41, 52, 60, 62, 65, 78, 82, 93, 123, 124, 130, 155, 156, 164, 186, 195, 205, 223, 246, 260, 310, 372, 390, 403, 410, 446, 465, 492, 533, 615, 620, 669, 780, 806, 820, 892, 930, 1066, 1115, 1209, 1230, 1271, 1338, 1599, 1612, 1860, 2015, 2132, 2230, 2418, 2460, 2542, 2665, 2676, 2899, 3198, 3345, 3813, 4030, 4460, 4836, 5084, 5330, 5798, 6045, 6355, 6396, 6690, 6913, 7626, 7995, 8060, 8697, 9143, 10660, 11596, 12090, 12710, 13380, 13826, 14495, 15252, 15990, 16523, 17394, 18286, 19065, 20739, 24180, 25420, 27429, 27652, 28990, 31980, 33046, 34565, 34788, 36572, 38130, 41478, 43485, 45715, 49569, 54858, 57980, 66092, 69130, 76260, 82615, 82956, 86970, 89869, 91430, 99138, 103695, 109716, 118859, 137145, 138260, 165230, 173940, 179738, 182860, 198276, 207390, 237718, 247845, 269607, 274290, 283433, 330460, 356577, 359476, 414780, 449345, 475436, 495690, 539214, 548580, 566866, 594295, 713154, 850299, 898690, 991380, 1078428, 1133732, 1188590, 1348035, 1417165, 1426308, 1700598, 1782885, 1797380, 2377180, 2696070, 2834330, 3401196, 3565770, 3684629, 4251495, 5392140, 5668660, 7131540, 7369258, 8502990, 11053887, 14738516, 17005980, 18423145, 22107774, 36846290, 44215548, 55269435, 73692580, 110538870, 221077740]

約数ペア:

[(1, 221077740), (2, 110538870), (3, 73692580), (4, 55269435), (5, 44215548), (6, 36846290), (10, 22107774), (12, 18423145), (13, 17005980), (15, 14738516), (20, 11053887), (26, 8502990), (30, 7369258), (31, 7131540), (39, 5668660), (41, 5392140), (52, 4251495), (60, 3684629), (62, 3565770), (65, 3401196), (78, 2834330), (82, 2696070), (93, 2377180), (123, 1797380), (124, 1782885), (130, 1700598), (155, 1426308), (156, 1417165), (164, 1348035), (186, 1188590), (195, 1133732), (205, 1078428), (223, 991380), (246, 898690), (260, 850299), (310, 713154), (372, 594295), (390, 566866), (403, 548580), (410, 539214), (446, 495690), (465, 475436), (492, 449345), (533, 414780), (615, 359476), (620, 356577), (669, 330460), (780, 283433), (806, 274290), (820, 269607), (892, 247845), (930, 237718), (1066, 207390), (1115, 198276), (1209, 182860), (1230, 179738), (1271, 173940), (1338, 165230), (1599, 138260), (1612, 137145), (1860, 118859), (2015, 109716), (2132, 103695), (2230, 99138), (2418, 91430), (2460, 89869), (2542, 86970), (2665, 82956), (2676, 82615), (2899, 76260), (3198, 69130), (3345, 66092), (3813, 57980), (4030, 54858), (4460, 49569), (4836, 45715), (5084, 43485), (5330, 41478), (5798, 38130), (6045, 36572), (6355, 34788), (6396, 34565), (6690, 33046), (6913, 31980), (7626, 28990), (7995, 27652), (8060, 27429), (8697, 25420), (9143, 24180), (10660, 20739), (11596, 19065), (12090, 18286), (12710, 17394), (13380, 16523), (13826, 15990), (14495, 15252)]