240163820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{359}}^1$

素因数の和:495

約数の個数: 96

約数和(自身を含む): 568995840

約数和(自身を除く): 328832020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 83, 124, 130, 155, 166, 260, 310, 332, 359, 403, 415, 620, 718, 806, 830, 1079, 1436, 1612, 1660, 1795, 2015, 2158, 2573, 3590, 4030, 4316, 4667, 5146, 5395, 7180, 8060, 9334, 10292, 10790, 11129, 12865, 18668, 21580, 22258, 23335, 25730, 29797, 33449, 44516, 46670, 51460, 55645, 59594, 66898, 93340, 111290, 119188, 133796, 144677, 148985, 167245, 222580, 289354, 297970, 334490, 387361, 578708, 595940, 668980, 723385, 774722, 923707, 1446770, 1549444, 1847414, 1936805, 2893540, 3694828, 3873610, 4618535, 7747220, 9237070, 12008191, 18474140, 24016382, 48032764, 60040955, 120081910, 240163820]

約数ペア:

[(1, 240163820), (2, 120081910), (4, 60040955), (5, 48032764), (10, 24016382), (13, 18474140), (20, 12008191), (26, 9237070), (31, 7747220), (52, 4618535), (62, 3873610), (65, 3694828), (83, 2893540), (124, 1936805), (130, 1847414), (155, 1549444), (166, 1446770), (260, 923707), (310, 774722), (332, 723385), (359, 668980), (403, 595940), (415, 578708), (620, 387361), (718, 334490), (806, 297970), (830, 289354), (1079, 222580), (1436, 167245), (1612, 148985), (1660, 144677), (1795, 133796), (2015, 119188), (2158, 111290), (2573, 93340), (3590, 66898), (4030, 59594), (4316, 55645), (4667, 51460), (5146, 46670), (5395, 44516), (7180, 33449), (8060, 29797), (9334, 25730), (10292, 23335), (10790, 22258), (11129, 21580), (12865, 18668)]