8157579320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{31477}}^1$

素因数の和:31549

約数の個数: 128

約数和(自身を含む): 21757593600

約数和(自身を除く): 13600014280

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 31, 38, 40, 44, 55, 62, 76, 88, 95, 110, 124, 152, 155, 190, 209, 220, 248, 310, 341, 380, 418, 440, 589, 620, 682, 760, 836, 1045, 1178, 1240, 1364, 1672, 1705, 2090, 2356, 2728, 2945, 3410, 4180, 4712, 5890, 6479, 6820, 8360, 11780, 12958, 13640, 23560, 25916, 31477, 32395, 51832, 62954, 64790, 125908, 129580, 157385, 251816, 259160, 314770, 346247, 598063, 629540, 692494, 975787, 1196126, 1259080, 1384988, 1731235, 1951574, 2392252, 2769976, 2990315, 3462470, 3903148, 4784504, 4878935, 5980630, 6578693, 6924940, 7806296, 9757870, 10733657, 11961260, 13157386, 13849880, 18539953, 19515740, 21467314, 23922520, 26314772, 32893465, 37079906, 39031480, 42934628, 52629544, 53668285, 65786930, 74159812, 85869256, 92699765, 107336570, 131573860, 148319624, 185399530, 203939483, 214673140, 263147720, 370799060, 407878966, 429346280, 741598120, 815757932, 1019697415, 1631515864, 2039394830, 4078789660, 8157579320]

約数ペア:

[(1, 8157579320), (2, 4078789660), (4, 2039394830), (5, 1631515864), (8, 1019697415), (10, 815757932), (11, 741598120), (19, 429346280), (20, 407878966), (22, 370799060), (31, 263147720), (38, 214673140), (40, 203939483), (44, 185399530), (55, 148319624), (62, 131573860), (76, 107336570), (88, 92699765), (95, 85869256), (110, 74159812), (124, 65786930), (152, 53668285), (155, 52629544), (190, 42934628), (209, 39031480), (220, 37079906), (248, 32893465), (310, 26314772), (341, 23922520), (380, 21467314), (418, 19515740), (440, 18539953), (589, 13849880), (620, 13157386), (682, 11961260), (760, 10733657), (836, 9757870), (1045, 7806296), (1178, 6924940), (1240, 6578693), (1364, 5980630), (1672, 4878935), (1705, 4784504), (2090, 3903148), (2356, 3462470), (2728, 2990315), (2945, 2769976), (3410, 2392252), (4180, 1951574), (4712, 1731235), (5890, 1384988), (6479, 1259080), (6820, 1196126), (8360, 975787), (11780, 692494), (12958, 629540), (13640, 598063), (23560, 346247), (25916, 314770), (31477, 259160), (32395, 251816), (51832, 157385), (62954, 129580), (64790, 125908)]