179443980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{739}}^1$

素因数の和:844

約数の個数: 144

約数和(自身を含む): 581817600

約数和(自身を除く): 402373620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 71, 76, 90, 95, 114, 142, 171, 180, 190, 213, 228, 284, 285, 342, 355, 380, 426, 570, 639, 684, 710, 739, 852, 855, 1065, 1140, 1278, 1349, 1420, 1478, 1710, 2130, 2217, 2556, 2698, 2956, 3195, 3420, 3695, 4047, 4260, 4434, 5396, 6390, 6651, 6745, 7390, 8094, 8868, 11085, 12141, 12780, 13302, 13490, 14041, 14780, 16188, 20235, 22170, 24282, 26604, 26980, 28082, 33255, 40470, 42123, 44340, 48564, 52469, 56164, 60705, 66510, 70205, 80940, 84246, 104938, 121410, 126369, 133020, 140410, 157407, 168492, 209876, 210615, 242820, 252738, 262345, 280820, 314814, 421230, 472221, 505476, 524690, 629628, 631845, 787035, 842460, 944442, 996911, 1049380, 1263690, 1574070, 1888884, 1993822, 2361105, 2527380, 2990733, 3148140, 3987644, 4722210, 4984555, 5981466, 8972199, 9444420, 9969110, 11962932, 14953665, 17944398, 19938220, 29907330, 35888796, 44860995, 59814660, 89721990, 179443980]

約数ペア:

[(1, 179443980), (2, 89721990), (3, 59814660), (4, 44860995), (5, 35888796), (6, 29907330), (9, 19938220), (10, 17944398), (12, 14953665), (15, 11962932), (18, 9969110), (19, 9444420), (20, 8972199), (30, 5981466), (36, 4984555), (38, 4722210), (45, 3987644), (57, 3148140), (60, 2990733), (71, 2527380), (76, 2361105), (90, 1993822), (95, 1888884), (114, 1574070), (142, 1263690), (171, 1049380), (180, 996911), (190, 944442), (213, 842460), (228, 787035), (284, 631845), (285, 629628), (342, 524690), (355, 505476), (380, 472221), (426, 421230), (570, 314814), (639, 280820), (684, 262345), (710, 252738), (739, 242820), (852, 210615), (855, 209876), (1065, 168492), (1140, 157407), (1278, 140410), (1349, 133020), (1420, 126369), (1478, 121410), (1710, 104938), (2130, 84246), (2217, 80940), (2556, 70205), (2698, 66510), (2956, 60705), (3195, 56164), (3420, 52469), (3695, 48564), (4047, 44340), (4260, 42123), (4434, 40470), (5396, 33255), (6390, 28082), (6651, 26980), (6745, 26604), (7390, 24282), (8094, 22170), (8868, 20235), (11085, 16188), (12141, 14780), (12780, 14041), (13302, 13490)]