155536780

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:157

約数の個数: 120

約数和(自身を含む): 395277120

約数和(自身を除く): 239740340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 79, 82, 98, 140, 158, 164, 196, 205, 245, 287, 316, 343, 395, 410, 490, 553, 574, 686, 790, 820, 980, 1106, 1148, 1372, 1435, 1580, 1715, 2009, 2212, 2401, 2765, 2870, 3239, 3430, 3871, 4018, 4802, 5530, 5740, 6478, 6860, 7742, 8036, 9604, 10045, 11060, 12005, 12956, 14063, 15484, 16195, 19355, 20090, 22673, 24010, 27097, 28126, 32390, 38710, 40180, 45346, 48020, 54194, 56252, 64780, 70315, 77420, 90692, 98441, 108388, 113365, 135485, 140630, 158711, 189679, 196882, 226730, 270970, 281260, 317422, 379358, 393764, 453460, 492205, 541940, 634844, 758716, 793555, 948395, 984410, 1110977, 1587110, 1896790, 1968820, 2221954, 3174220, 3793580, 4443908, 5554885, 7776839, 11109770, 15553678, 22219540, 31107356, 38884195, 77768390, 155536780]

約数ペア:

[(1, 155536780), (2, 77768390), (4, 38884195), (5, 31107356), (7, 22219540), (10, 15553678), (14, 11109770), (20, 7776839), (28, 5554885), (35, 4443908), (41, 3793580), (49, 3174220), (70, 2221954), (79, 1968820), (82, 1896790), (98, 1587110), (140, 1110977), (158, 984410), (164, 948395), (196, 793555), (205, 758716), (245, 634844), (287, 541940), (316, 492205), (343, 453460), (395, 393764), (410, 379358), (490, 317422), (553, 281260), (574, 270970), (686, 226730), (790, 196882), (820, 189679), (980, 158711), (1106, 140630), (1148, 135485), (1372, 113365), (1435, 108388), (1580, 98441), (1715, 90692), (2009, 77420), (2212, 70315), (2401, 64780), (2765, 56252), (2870, 54194), (3239, 48020), (3430, 45346), (3871, 40180), (4018, 38710), (4802, 32390), (5530, 28126), (5740, 27097), (6478, 24010), (6860, 22673), (7742, 20090), (8036, 19355), (9604, 16195), (10045, 15484), (11060, 14063), (12005, 12956)]