128517900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3221}}^1$

素因数の和:3264

約数の個数: 144

約数和(自身を含む): 447471360

約数和(自身を除く): 318953460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 25, 28, 30, 35, 38, 42, 50, 57, 60, 70, 75, 76, 84, 95, 100, 105, 114, 133, 140, 150, 175, 190, 210, 228, 266, 285, 300, 350, 380, 399, 420, 475, 525, 532, 570, 665, 700, 798, 950, 1050, 1140, 1330, 1425, 1596, 1900, 1995, 2100, 2660, 2850, 3221, 3325, 3990, 5700, 6442, 6650, 7980, 9663, 9975, 12884, 13300, 16105, 19326, 19950, 22547, 32210, 38652, 39900, 45094, 48315, 61199, 64420, 67641, 80525, 90188, 96630, 112735, 122398, 135282, 161050, 183597, 193260, 225470, 241575, 244796, 270564, 305995, 322100, 338205, 367194, 428393, 450940, 483150, 563675, 611990, 676410, 734388, 856786, 917985, 966300, 1127350, 1223980, 1285179, 1352820, 1529975, 1691025, 1713572, 1835970, 2141965, 2254700, 2570358, 3059950, 3382050, 3671940, 4283930, 4589925, 5140716, 6119900, 6425895, 6764100, 8567860, 9179850, 10709825, 12851790, 18359700, 21419650, 25703580, 32129475, 42839300, 64258950, 128517900]

約数ペア:

[(1, 128517900), (2, 64258950), (3, 42839300), (4, 32129475), (5, 25703580), (6, 21419650), (7, 18359700), (10, 12851790), (12, 10709825), (14, 9179850), (15, 8567860), (19, 6764100), (20, 6425895), (21, 6119900), (25, 5140716), (28, 4589925), (30, 4283930), (35, 3671940), (38, 3382050), (42, 3059950), (50, 2570358), (57, 2254700), (60, 2141965), (70, 1835970), (75, 1713572), (76, 1691025), (84, 1529975), (95, 1352820), (100, 1285179), (105, 1223980), (114, 1127350), (133, 966300), (140, 917985), (150, 856786), (175, 734388), (190, 676410), (210, 611990), (228, 563675), (266, 483150), (285, 450940), (300, 428393), (350, 367194), (380, 338205), (399, 322100), (420, 305995), (475, 270564), (525, 244796), (532, 241575), (570, 225470), (665, 193260), (700, 183597), (798, 161050), (950, 135282), (1050, 122398), (1140, 112735), (1330, 96630), (1425, 90188), (1596, 80525), (1900, 67641), (1995, 64420), (2100, 61199), (2660, 48315), (2850, 45094), (3221, 39900), (3325, 38652), (3990, 32210), (5700, 22547), (6442, 19950), (6650, 19326), (7980, 16105), (9663, 13300), (9975, 12884)]