156513420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4007}}^1$

素因数の和:4060

約数の個数: 144

約数和(自身を含む): 560222208

約数和(自身を除く): 403708788

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 558, 620, 630, 651, 868, 930, 1085, 1116, 1260, 1302, 1395, 1860, 1953, 2170, 2604, 2790, 3255, 3906, 4007, 4340, 5580, 6510, 7812, 8014, 9765, 12021, 13020, 16028, 19530, 20035, 24042, 28049, 36063, 39060, 40070, 48084, 56098, 60105, 72126, 80140, 84147, 112196, 120210, 124217, 140245, 144252, 168294, 180315, 240420, 248434, 252441, 280490, 336588, 360630, 372651, 420735, 496868, 504882, 560980, 621085, 721260, 745302, 841470, 869519, 1009764, 1117953, 1242170, 1262205, 1490604, 1682940, 1739038, 1863255, 2235906, 2484340, 2524410, 2608557, 3478076, 3726510, 4347595, 4471812, 5048820, 5217114, 5589765, 7453020, 7825671, 8695190, 10434228, 11179530, 13042785, 15651342, 17390380, 22359060, 26085570, 31302684, 39128355, 52171140, 78256710, 156513420]

約数ペア:

[(1, 156513420), (2, 78256710), (3, 52171140), (4, 39128355), (5, 31302684), (6, 26085570), (7, 22359060), (9, 17390380), (10, 15651342), (12, 13042785), (14, 11179530), (15, 10434228), (18, 8695190), (20, 7825671), (21, 7453020), (28, 5589765), (30, 5217114), (31, 5048820), (35, 4471812), (36, 4347595), (42, 3726510), (45, 3478076), (60, 2608557), (62, 2524410), (63, 2484340), (70, 2235906), (84, 1863255), (90, 1739038), (93, 1682940), (105, 1490604), (124, 1262205), (126, 1242170), (140, 1117953), (155, 1009764), (180, 869519), (186, 841470), (210, 745302), (217, 721260), (252, 621085), (279, 560980), (310, 504882), (315, 496868), (372, 420735), (420, 372651), (434, 360630), (465, 336588), (558, 280490), (620, 252441), (630, 248434), (651, 240420), (868, 180315), (930, 168294), (1085, 144252), (1116, 140245), (1260, 124217), (1302, 120210), (1395, 112196), (1860, 84147), (1953, 80140), (2170, 72126), (2604, 60105), (2790, 56098), (3255, 48084), (3906, 40070), (4007, 39060), (4340, 36063), (5580, 28049), (6510, 24042), (7812, 20035), (8014, 19530), (9765, 16028), (12021, 13020)]