689193180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{769}}^1$

素因数の和:1180

約数の個数: 144

約数和(自身を含む): 2260177920

約数和(自身を除く): 1570984740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 383, 390, 468, 585, 766, 769, 780, 1149, 1170, 1532, 1538, 1915, 2298, 2307, 2340, 3076, 3447, 3830, 3845, 4596, 4614, 4979, 5745, 6894, 6921, 7660, 7690, 9228, 9958, 9997, 11490, 11535, 13788, 13842, 14937, 15380, 17235, 19916, 19994, 22980, 23070, 24895, 27684, 29874, 29991, 34470, 34605, 39988, 44811, 46140, 49790, 49985, 59748, 59982, 68940, 69210, 74685, 89622, 89973, 99580, 99970, 119964, 138420, 149370, 149955, 179244, 179946, 199940, 224055, 294527, 298740, 299910, 359892, 448110, 449865, 589054, 599820, 883581, 896220, 899730, 1178108, 1472635, 1767162, 1799460, 2650743, 2945270, 3534324, 3828851, 4417905, 5301486, 5890540, 7657702, 8835810, 10602972, 11486553, 13253715, 15315404, 17671620, 19144255, 22973106, 26507430, 34459659, 38288510, 45946212, 53014860, 57432765, 68919318, 76577020, 114865530, 137838636, 172298295, 229731060, 344596590, 689193180]

約数ペア:

[(1, 689193180), (2, 344596590), (3, 229731060), (4, 172298295), (5, 137838636), (6, 114865530), (9, 76577020), (10, 68919318), (12, 57432765), (13, 53014860), (15, 45946212), (18, 38288510), (20, 34459659), (26, 26507430), (30, 22973106), (36, 19144255), (39, 17671620), (45, 15315404), (52, 13253715), (60, 11486553), (65, 10602972), (78, 8835810), (90, 7657702), (117, 5890540), (130, 5301486), (156, 4417905), (180, 3828851), (195, 3534324), (234, 2945270), (260, 2650743), (383, 1799460), (390, 1767162), (468, 1472635), (585, 1178108), (766, 899730), (769, 896220), (780, 883581), (1149, 599820), (1170, 589054), (1532, 449865), (1538, 448110), (1915, 359892), (2298, 299910), (2307, 298740), (2340, 294527), (3076, 224055), (3447, 199940), (3830, 179946), (3845, 179244), (4596, 149955), (4614, 149370), (4979, 138420), (5745, 119964), (6894, 99970), (6921, 99580), (7660, 89973), (7690, 89622), (9228, 74685), (9958, 69210), (9997, 68940), (11490, 59982), (11535, 59748), (13788, 49985), (13842, 49790), (14937, 46140), (15380, 44811), (17235, 39988), (19916, 34605), (19994, 34470), (22980, 29991), (23070, 29874), (24895, 27684)]