191141520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{251}}^1$

素因数の和:453

約数の個数: 160

約数和(自身を含む): 629959680

約数和(自身を除く): 438818160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 167, 190, 228, 240, 251, 285, 304, 334, 380, 456, 501, 502, 570, 668, 753, 760, 835, 912, 1002, 1004, 1140, 1255, 1336, 1506, 1520, 1670, 2004, 2008, 2280, 2505, 2510, 2672, 3012, 3173, 3340, 3765, 4008, 4016, 4560, 4769, 5010, 5020, 6024, 6346, 6680, 7530, 8016, 9519, 9538, 10020, 10040, 12048, 12692, 13360, 14307, 15060, 15865, 19038, 19076, 20040, 20080, 23845, 25384, 28614, 30120, 31730, 38076, 38152, 40080, 41917, 47595, 47690, 50768, 57228, 60240, 63460, 71535, 76152, 76304, 83834, 95190, 95380, 114456, 125751, 126920, 143070, 152304, 167668, 190380, 190760, 209585, 228912, 251502, 253840, 286140, 335336, 380760, 381520, 419170, 503004, 572280, 628755, 670672, 761520, 796423, 838340, 1006008, 1144560, 1257510, 1592846, 1676680, 2012016, 2389269, 2515020, 3185692, 3353360, 3982115, 4778538, 5030040, 6371384, 7964230, 9557076, 10060080, 11946345, 12742768, 15928460, 19114152, 23892690, 31856920, 38228304, 47785380, 63713840, 95570760, 191141520]

約数ペア:

[(1, 191141520), (2, 95570760), (3, 63713840), (4, 47785380), (5, 38228304), (6, 31856920), (8, 23892690), (10, 19114152), (12, 15928460), (15, 12742768), (16, 11946345), (19, 10060080), (20, 9557076), (24, 7964230), (30, 6371384), (38, 5030040), (40, 4778538), (48, 3982115), (57, 3353360), (60, 3185692), (76, 2515020), (80, 2389269), (95, 2012016), (114, 1676680), (120, 1592846), (152, 1257510), (167, 1144560), (190, 1006008), (228, 838340), (240, 796423), (251, 761520), (285, 670672), (304, 628755), (334, 572280), (380, 503004), (456, 419170), (501, 381520), (502, 380760), (570, 335336), (668, 286140), (753, 253840), (760, 251502), (835, 228912), (912, 209585), (1002, 190760), (1004, 190380), (1140, 167668), (1255, 152304), (1336, 143070), (1506, 126920), (1520, 125751), (1670, 114456), (2004, 95380), (2008, 95190), (2280, 83834), (2505, 76304), (2510, 76152), (2672, 71535), (3012, 63460), (3173, 60240), (3340, 57228), (3765, 50768), (4008, 47690), (4016, 47595), (4560, 41917), (4769, 40080), (5010, 38152), (5020, 38076), (6024, 31730), (6346, 30120), (6680, 28614), (7530, 25384), (8016, 23845), (9519, 20080), (9538, 20040), (10020, 19076), (10040, 19038), (12048, 15865), (12692, 15060), (13360, 14307)]