640161435420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11971}}^1\times {\mathrm{22853}}^1$

素因数の和:34852

約数の個数: 144

約数和(自身を含む): 2091460224672

約数和(自身を除く): 1451298789252

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, 390, 468, 585, 780, 1170, 2340, 11971, 22853, 23942, 35913, 45706, 47884, 59855, 68559, 71826, 91412, 107739, 114265, 119710, 137118, 143652, 155623, 179565, 205677, 215478, 228530, 239420, 274236, 297089, 311246, 342795, 359130, 411354, 430956, 457060, 466869, 538695, 594178, 622492, 685590, 718260, 778115, 822708, 891267, 933738, 1028385, 1077390, 1188356, 1371180, 1400607, 1485445, 1556230, 1782534, 1867476, 2056770, 2154780, 2334345, 2673801, 2801214, 2970890, 3112460, 3565068, 4113540, 4456335, 4668690, 5347602, 5602428, 5941780, 7003035, 8912670, 9337380, 10695204, 13369005, 14006070, 17825340, 26738010, 28012140, 53476020, 273573263, 547146526, 820719789, 1094293052, 1367866315, 1641439578, 2462159367, 2735732630, 3282879156, 3556452419, 4103598945, 4924318734, 5471465260, 7112904838, 8207197890, 9848637468, 10669357257, 12310796835, 14225809676, 16414395780, 17782262095, 21338714514, 24621593670, 32008071771, 35564524190, 42677429028, 49243187340, 53346786285, 64016143542, 71129048380, 106693572570, 128032287084, 160040358855, 213387145140, 320080717710, 640161435420]

約数ペア:

[(1, 640161435420), (2, 320080717710), (3, 213387145140), (4, 160040358855), (5, 128032287084), (6, 106693572570), (9, 71129048380), (10, 64016143542), (12, 53346786285), (13, 49243187340), (15, 42677429028), (18, 35564524190), (20, 32008071771), (26, 24621593670), (30, 21338714514), (36, 17782262095), (39, 16414395780), (45, 14225809676), (52, 12310796835), (60, 10669357257), (65, 9848637468), (78, 8207197890), (90, 7112904838), (117, 5471465260), (130, 4924318734), (156, 4103598945), (180, 3556452419), (195, 3282879156), (234, 2735732630), (260, 2462159367), (390, 1641439578), (468, 1367866315), (585, 1094293052), (780, 820719789), (1170, 547146526), (2340, 273573263), (11971, 53476020), (22853, 28012140), (23942, 26738010), (35913, 17825340), (45706, 14006070), (47884, 13369005), (59855, 10695204), (68559, 9337380), (71826, 8912670), (91412, 7003035), (107739, 5941780), (114265, 5602428), (119710, 5347602), (137118, 4668690), (143652, 4456335), (155623, 4113540), (179565, 3565068), (205677, 3112460), (215478, 2970890), (228530, 2801214), (239420, 2673801), (274236, 2334345), (297089, 2154780), (311246, 2056770), (342795, 1867476), (359130, 1782534), (411354, 1556230), (430956, 1485445), (457060, 1400607), (466869, 1371180), (538695, 1188356), (594178, 1077390), (622492, 1028385), (685590, 933738), (718260, 891267), (778115, 822708)]