15709567900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1\times {\mathrm{499}}^1$

素因数の和:984

約数の個数: 144

約数和(自身を含む): 37482844000

約数和(自身を除く): 21773276100

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 61, 65, 100, 122, 130, 244, 260, 305, 325, 397, 499, 610, 650, 793, 794, 998, 1220, 1300, 1525, 1586, 1588, 1985, 1996, 2495, 3050, 3172, 3965, 3970, 4990, 5161, 6100, 6487, 7930, 7940, 9925, 9980, 10322, 12475, 12974, 15860, 19825, 19850, 20644, 24217, 24950, 25805, 25948, 30439, 32435, 39650, 39700, 48434, 49900, 51610, 60878, 64870, 79300, 96868, 103220, 121085, 121756, 129025, 129740, 152195, 162175, 198103, 242170, 258050, 304390, 314821, 324350, 395707, 396206, 484340, 516100, 605425, 608780, 629642, 648700, 760975, 791414, 792412, 990515, 1210850, 1259284, 1521950, 1574105, 1582828, 1978535, 1981030, 2421700, 2575339, 3043900, 3148210, 3957070, 3962060, 4952575, 5150678, 6296420, 7870525, 7914140, 9892675, 9905150, 10301356, 12084283, 12876695, 15741050, 19785350, 19810300, 24168566, 25753390, 31482100, 39570700, 48337132, 51506780, 60421415, 64383475, 120842830, 128766950, 157095679, 241685660, 257533900, 302107075, 314191358, 604214150, 628382716, 785478395, 1208428300, 1570956790, 3141913580, 3927391975, 7854783950, 15709567900]

約数ペア:

[(1, 15709567900), (2, 7854783950), (4, 3927391975), (5, 3141913580), (10, 1570956790), (13, 1208428300), (20, 785478395), (25, 628382716), (26, 604214150), (50, 314191358), (52, 302107075), (61, 257533900), (65, 241685660), (100, 157095679), (122, 128766950), (130, 120842830), (244, 64383475), (260, 60421415), (305, 51506780), (325, 48337132), (397, 39570700), (499, 31482100), (610, 25753390), (650, 24168566), (793, 19810300), (794, 19785350), (998, 15741050), (1220, 12876695), (1300, 12084283), (1525, 10301356), (1586, 9905150), (1588, 9892675), (1985, 7914140), (1996, 7870525), (2495, 6296420), (3050, 5150678), (3172, 4952575), (3965, 3962060), (3970, 3957070), (4990, 3148210), (5161, 3043900), (6100, 2575339), (6487, 2421700), (7930, 1981030), (7940, 1978535), (9925, 1582828), (9980, 1574105), (10322, 1521950), (12475, 1259284), (12974, 1210850), (15860, 990515), (19825, 792412), (19850, 791414), (20644, 760975), (24217, 648700), (24950, 629642), (25805, 608780), (25948, 605425), (30439, 516100), (32435, 484340), (39650, 396206), (39700, 395707), (48434, 324350), (49900, 314821), (51610, 304390), (60878, 258050), (64870, 242170), (79300, 198103), (96868, 162175), (103220, 152195), (121085, 129740), (121756, 129025)]