2002118640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{21013}}^1$

素因数の和:21426

約数の個数: 80

約数和(自身を含む): 6222497568

約数和(自身を除く): 4220378928

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 397, 794, 1191, 1588, 1985, 2382, 3176, 3970, 4764, 5955, 6352, 7940, 9528, 11910, 15880, 19056, 21013, 23820, 31760, 42026, 47640, 63039, 84052, 95280, 105065, 126078, 168104, 210130, 252156, 315195, 336208, 420260, 504312, 630390, 840520, 1008624, 1260780, 1681040, 2521560, 5043120, 8342161, 16684322, 25026483, 33368644, 41710805, 50052966, 66737288, 83421610, 100105932, 125132415, 133474576, 166843220, 200211864, 250264830, 333686440, 400423728, 500529660, 667372880, 1001059320, 2002118640]

約数ペア:

[(1, 2002118640), (2, 1001059320), (3, 667372880), (4, 500529660), (5, 400423728), (6, 333686440), (8, 250264830), (10, 200211864), (12, 166843220), (15, 133474576), (16, 125132415), (20, 100105932), (24, 83421610), (30, 66737288), (40, 50052966), (48, 41710805), (60, 33368644), (80, 25026483), (120, 16684322), (240, 8342161), (397, 5043120), (794, 2521560), (1191, 1681040), (1588, 1260780), (1985, 1008624), (2382, 840520), (3176, 630390), (3970, 504312), (4764, 420260), (5955, 336208), (6352, 315195), (7940, 252156), (9528, 210130), (11910, 168104), (15880, 126078), (19056, 105065), (21013, 95280), (23820, 84052), (31760, 63039), (42026, 47640)]