16577820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1$

素因数の和:304

約数の個数: 144

約数和(自身を含む): 58705920

約数和(自身を除く): 42128100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 59, 60, 63, 70, 84, 90, 105, 118, 126, 140, 177, 180, 210, 223, 236, 252, 295, 315, 354, 413, 420, 446, 531, 590, 630, 669, 708, 826, 885, 892, 1062, 1115, 1180, 1239, 1260, 1338, 1561, 1652, 1770, 2007, 2065, 2124, 2230, 2478, 2655, 2676, 3122, 3345, 3540, 3717, 4014, 4130, 4460, 4683, 4956, 5310, 6195, 6244, 6690, 7434, 7805, 8028, 8260, 9366, 10035, 10620, 12390, 13157, 13380, 14049, 14868, 15610, 18585, 18732, 20070, 23415, 24780, 26314, 28098, 31220, 37170, 39471, 40140, 46830, 52628, 56196, 65785, 70245, 74340, 78942, 92099, 93660, 118413, 131570, 140490, 157884, 184198, 197355, 236826, 263140, 276297, 280980, 368396, 394710, 460495, 473652, 552594, 592065, 789420, 828891, 920990, 1105188, 1184130, 1381485, 1657782, 1841980, 2368260, 2762970, 3315564, 4144455, 5525940, 8288910, 16577820]

約数ペア:

[(1, 16577820), (2, 8288910), (3, 5525940), (4, 4144455), (5, 3315564), (6, 2762970), (7, 2368260), (9, 1841980), (10, 1657782), (12, 1381485), (14, 1184130), (15, 1105188), (18, 920990), (20, 828891), (21, 789420), (28, 592065), (30, 552594), (35, 473652), (36, 460495), (42, 394710), (45, 368396), (59, 280980), (60, 276297), (63, 263140), (70, 236826), (84, 197355), (90, 184198), (105, 157884), (118, 140490), (126, 131570), (140, 118413), (177, 93660), (180, 92099), (210, 78942), (223, 74340), (236, 70245), (252, 65785), (295, 56196), (315, 52628), (354, 46830), (413, 40140), (420, 39471), (446, 37170), (531, 31220), (590, 28098), (630, 26314), (669, 24780), (708, 23415), (826, 20070), (885, 18732), (892, 18585), (1062, 15610), (1115, 14868), (1180, 14049), (1239, 13380), (1260, 13157), (1338, 12390), (1561, 10620), (1652, 10035), (1770, 9366), (2007, 8260), (2065, 8028), (2124, 7805), (2230, 7434), (2478, 6690), (2655, 6244), (2676, 6195), (3122, 5310), (3345, 4956), (3540, 4683), (3717, 4460), (4014, 4130)]