1564875720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{76261}}^1$

素因数の和:76300

約数の個数: 128

約数和(自身を含む): 5490864000

約数和(自身を除く): 3925988280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 4104, 5130, 6840, 10260, 20520, 76261, 152522, 228783, 305044, 381305, 457566, 610088, 686349, 762610, 915132, 1143915, 1372698, 1448959, 1525220, 1830264, 2059047, 2287830, 2745396, 2897918, 3050440, 3431745, 4118094, 4346877, 4575660, 5490792, 5795836, 6863490, 7244795, 8236188, 8693754, 9151320, 10295235, 11591672, 13040631, 13726980, 14489590, 16472376, 17387508, 20590470, 21734385, 26081262, 27453960, 28979180, 34775016, 39121893, 41180940, 43468770, 52162524, 57958360, 65203155, 78243786, 82361880, 86937540, 104325048, 130406310, 156487572, 173875080, 195609465, 260812620, 312975144, 391218930, 521625240, 782437860, 1564875720]

約数ペア:

[(1, 1564875720), (2, 782437860), (3, 521625240), (4, 391218930), (5, 312975144), (6, 260812620), (8, 195609465), (9, 173875080), (10, 156487572), (12, 130406310), (15, 104325048), (18, 86937540), (19, 82361880), (20, 78243786), (24, 65203155), (27, 57958360), (30, 52162524), (36, 43468770), (38, 41180940), (40, 39121893), (45, 34775016), (54, 28979180), (57, 27453960), (60, 26081262), (72, 21734385), (76, 20590470), (90, 17387508), (95, 16472376), (108, 14489590), (114, 13726980), (120, 13040631), (135, 11591672), (152, 10295235), (171, 9151320), (180, 8693754), (190, 8236188), (216, 7244795), (228, 6863490), (270, 5795836), (285, 5490792), (342, 4575660), (360, 4346877), (380, 4118094), (456, 3431745), (513, 3050440), (540, 2897918), (570, 2745396), (684, 2287830), (760, 2059047), (855, 1830264), (1026, 1525220), (1080, 1448959), (1140, 1372698), (1368, 1143915), (1710, 915132), (2052, 762610), (2280, 686349), (2565, 610088), (3420, 457566), (4104, 381305), (5130, 305044), (6840, 228783), (10260, 152522), (20520, 76261)]