77649880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1483}}^1$

素因数の和:1529

約数の個数: 128

約数和(自身を含む): 230791680

約数和(自身を除く): 153141800

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 17, 20, 22, 28, 34, 35, 40, 44, 55, 56, 68, 70, 77, 85, 88, 110, 119, 136, 140, 154, 170, 187, 220, 238, 280, 308, 340, 374, 385, 440, 476, 595, 616, 680, 748, 770, 935, 952, 1190, 1309, 1483, 1496, 1540, 1870, 2380, 2618, 2966, 3080, 3740, 4760, 5236, 5932, 6545, 7415, 7480, 10381, 10472, 11864, 13090, 14830, 16313, 20762, 25211, 26180, 29660, 32626, 41524, 50422, 51905, 52360, 59320, 65252, 81565, 83048, 100844, 103810, 114191, 126055, 130504, 163130, 176477, 201688, 207620, 228382, 252110, 277321, 326260, 352954, 415240, 456764, 504220, 554642, 570955, 652520, 705908, 882385, 913528, 1008440, 1109284, 1141910, 1386605, 1411816, 1764770, 1941247, 2218568, 2283820, 2773210, 3529540, 3882494, 4567640, 5546420, 7059080, 7764988, 9706235, 11092840, 15529976, 19412470, 38824940, 77649880]

約数ペア:

[(1, 77649880), (2, 38824940), (4, 19412470), (5, 15529976), (7, 11092840), (8, 9706235), (10, 7764988), (11, 7059080), (14, 5546420), (17, 4567640), (20, 3882494), (22, 3529540), (28, 2773210), (34, 2283820), (35, 2218568), (40, 1941247), (44, 1764770), (55, 1411816), (56, 1386605), (68, 1141910), (70, 1109284), (77, 1008440), (85, 913528), (88, 882385), (110, 705908), (119, 652520), (136, 570955), (140, 554642), (154, 504220), (170, 456764), (187, 415240), (220, 352954), (238, 326260), (280, 277321), (308, 252110), (340, 228382), (374, 207620), (385, 201688), (440, 176477), (476, 163130), (595, 130504), (616, 126055), (680, 114191), (748, 103810), (770, 100844), (935, 83048), (952, 81565), (1190, 65252), (1309, 59320), (1483, 52360), (1496, 51905), (1540, 50422), (1870, 41524), (2380, 32626), (2618, 29660), (2966, 26180), (3080, 25211), (3740, 20762), (4760, 16313), (5236, 14830), (5932, 13090), (6545, 11864), (7415, 10472), (7480, 10381)]