72994460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:208

約数の個数: 144

約数和(自身を含む): 200202240

約数和(自身を除く): 127207780

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 55, 62, 70, 77, 110, 121, 124, 139, 140, 154, 155, 217, 220, 242, 278, 308, 310, 341, 385, 434, 484, 556, 605, 620, 682, 695, 770, 847, 868, 973, 1085, 1210, 1364, 1390, 1529, 1540, 1694, 1705, 1946, 2170, 2387, 2420, 2780, 3058, 3388, 3410, 3751, 3892, 4235, 4309, 4340, 4774, 4865, 6116, 6820, 7502, 7645, 8470, 8618, 9548, 9730, 10703, 11935, 15004, 15290, 16819, 16940, 17236, 18755, 19460, 21406, 21545, 23870, 26257, 30163, 30580, 33638, 37510, 42812, 43090, 47399, 47740, 52514, 53515, 60326, 67276, 75020, 84095, 86180, 94798, 105028, 107030, 117733, 120652, 131285, 150815, 168190, 189596, 214060, 235466, 236995, 262570, 301630, 331793, 336380, 470932, 473990, 521389, 525140, 588665, 603260, 663586, 947980, 1042778, 1177330, 1327172, 1658965, 2085556, 2354660, 2606945, 3317930, 3649723, 5213890, 6635860, 7299446, 10427780, 14598892, 18248615, 36497230, 72994460]

約数ペア:

[(1, 72994460), (2, 36497230), (4, 18248615), (5, 14598892), (7, 10427780), (10, 7299446), (11, 6635860), (14, 5213890), (20, 3649723), (22, 3317930), (28, 2606945), (31, 2354660), (35, 2085556), (44, 1658965), (55, 1327172), (62, 1177330), (70, 1042778), (77, 947980), (110, 663586), (121, 603260), (124, 588665), (139, 525140), (140, 521389), (154, 473990), (155, 470932), (217, 336380), (220, 331793), (242, 301630), (278, 262570), (308, 236995), (310, 235466), (341, 214060), (385, 189596), (434, 168190), (484, 150815), (556, 131285), (605, 120652), (620, 117733), (682, 107030), (695, 105028), (770, 94798), (847, 86180), (868, 84095), (973, 75020), (1085, 67276), (1210, 60326), (1364, 53515), (1390, 52514), (1529, 47740), (1540, 47399), (1694, 43090), (1705, 42812), (1946, 37510), (2170, 33638), (2387, 30580), (2420, 30163), (2780, 26257), (3058, 23870), (3388, 21545), (3410, 21406), (3751, 19460), (3892, 18755), (4235, 17236), (4309, 16940), (4340, 16819), (4774, 15290), (4865, 15004), (6116, 11935), (6820, 10703), (7502, 9730), (7645, 9548), (8470, 8618)]