187845420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{181}}^1\times {\mathrm{353}}^1$

素因数の和:560

約数の個数: 144

約数和(自身を含む): 616962528

約数和(自身を除く): 429117108

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 181, 196, 210, 245, 294, 353, 362, 420, 490, 543, 588, 706, 724, 735, 905, 980, 1059, 1086, 1267, 1412, 1470, 1765, 1810, 2118, 2172, 2471, 2534, 2715, 2940, 3530, 3620, 3801, 4236, 4942, 5068, 5295, 5430, 6335, 7060, 7413, 7602, 8869, 9884, 10590, 10860, 12355, 12670, 14826, 15204, 17297, 17738, 19005, 21180, 24710, 25340, 26607, 29652, 34594, 35476, 37065, 38010, 44345, 49420, 51891, 53214, 63893, 69188, 74130, 76020, 86485, 88690, 103782, 106428, 127786, 133035, 148260, 172970, 177380, 191679, 207564, 255572, 259455, 266070, 319465, 345940, 383358, 447251, 518910, 532140, 638930, 766716, 894502, 958395, 1037820, 1277860, 1341753, 1789004, 1916790, 2236255, 2683506, 3130757, 3833580, 4472510, 5367012, 6261514, 6708765, 8945020, 9392271, 12523028, 13417530, 15653785, 18784542, 26835060, 31307570, 37569084, 46961355, 62615140, 93922710, 187845420]

約数ペア:

[(1, 187845420), (2, 93922710), (3, 62615140), (4, 46961355), (5, 37569084), (6, 31307570), (7, 26835060), (10, 18784542), (12, 15653785), (14, 13417530), (15, 12523028), (20, 9392271), (21, 8945020), (28, 6708765), (30, 6261514), (35, 5367012), (42, 4472510), (49, 3833580), (60, 3130757), (70, 2683506), (84, 2236255), (98, 1916790), (105, 1789004), (140, 1341753), (147, 1277860), (181, 1037820), (196, 958395), (210, 894502), (245, 766716), (294, 638930), (353, 532140), (362, 518910), (420, 447251), (490, 383358), (543, 345940), (588, 319465), (706, 266070), (724, 259455), (735, 255572), (905, 207564), (980, 191679), (1059, 177380), (1086, 172970), (1267, 148260), (1412, 133035), (1470, 127786), (1765, 106428), (1810, 103782), (2118, 88690), (2172, 86485), (2471, 76020), (2534, 74130), (2715, 69188), (2940, 63893), (3530, 53214), (3620, 51891), (3801, 49420), (4236, 44345), (4942, 38010), (5068, 37065), (5295, 35476), (5430, 34594), (6335, 29652), (7060, 26607), (7413, 25340), (7602, 24710), (8869, 21180), (9884, 19005), (10590, 17738), (10860, 17297), (12355, 15204), (12670, 14826)]