189181980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{691}}^1$

素因数の和:738

約数の個数: 180

約数和(自身を含む): 643564152

約数和(自身を除く): 454382172

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 169, 180, 195, 234, 260, 270, 324, 338, 351, 390, 405, 468, 507, 540, 585, 676, 691, 702, 780, 810, 845, 1014, 1053, 1170, 1382, 1404, 1521, 1620, 1690, 1755, 2028, 2073, 2106, 2340, 2535, 2764, 3042, 3380, 3455, 3510, 4146, 4212, 4563, 5070, 5265, 6084, 6219, 6910, 7020, 7605, 8292, 8983, 9126, 10140, 10365, 10530, 12438, 13689, 13820, 15210, 17966, 18252, 18657, 20730, 21060, 22815, 24876, 26949, 27378, 30420, 31095, 35932, 37314, 41460, 44915, 45630, 53898, 54756, 55971, 62190, 68445, 74628, 80847, 89830, 91260, 93285, 107796, 111942, 116779, 124380, 134745, 136890, 161694, 179660, 186570, 223884, 233558, 242541, 269490, 273780, 279855, 323388, 350337, 373140, 404235, 467116, 485082, 538980, 559710, 583895, 700674, 727623, 808470, 970164, 1051011, 1119420, 1167790, 1212705, 1401348, 1455246, 1616940, 1751685, 2102022, 2335580, 2425410, 2910492, 3153033, 3503370, 3638115, 4204044, 4850820, 5255055, 6306066, 7006740, 7276230, 9459099, 10510110, 12612132, 14552460, 15765165, 18918198, 21020220, 31530330, 37836396, 47295495, 63060660, 94590990, 189181980]

約数ペア:

[(1, 189181980), (2, 94590990), (3, 63060660), (4, 47295495), (5, 37836396), (6, 31530330), (9, 21020220), (10, 18918198), (12, 15765165), (13, 14552460), (15, 12612132), (18, 10510110), (20, 9459099), (26, 7276230), (27, 7006740), (30, 6306066), (36, 5255055), (39, 4850820), (45, 4204044), (52, 3638115), (54, 3503370), (60, 3153033), (65, 2910492), (78, 2425410), (81, 2335580), (90, 2102022), (108, 1751685), (117, 1616940), (130, 1455246), (135, 1401348), (156, 1212705), (162, 1167790), (169, 1119420), (180, 1051011), (195, 970164), (234, 808470), (260, 727623), (270, 700674), (324, 583895), (338, 559710), (351, 538980), (390, 485082), (405, 467116), (468, 404235), (507, 373140), (540, 350337), (585, 323388), (676, 279855), (691, 273780), (702, 269490), (780, 242541), (810, 233558), (845, 223884), (1014, 186570), (1053, 179660), (1170, 161694), (1382, 136890), (1404, 134745), (1521, 124380), (1620, 116779), (1690, 111942), (1755, 107796), (2028, 93285), (2073, 91260), (2106, 89830), (2340, 80847), (2535, 74628), (2764, 68445), (3042, 62190), (3380, 55971), (3455, 54756), (3510, 53898), (4146, 45630), (4212, 44915), (4563, 41460), (5070, 37314), (5265, 35932), (6084, 31095), (6219, 30420), (6910, 27378), (7020, 26949), (7605, 24876), (8292, 22815), (8983, 21060), (9126, 20730), (10140, 18657), (10365, 18252), (10530, 17966), (12438, 15210), (13689, 13820)]