721115460

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{353}}^1$

素因数の和:484

約数の個数: 240

約数和(自身を含む): 2468266416

約数和(自身を除く): 1747150956

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 97, 108, 117, 130, 135, 156, 162, 180, 194, 195, 234, 260, 270, 291, 324, 351, 353, 388, 390, 405, 468, 485, 540, 582, 585, 702, 706, 780, 810, 873, 970, 1053, 1059, 1164, 1170, 1261, 1404, 1412, 1455, 1620, 1746, 1755, 1765, 1940, 2106, 2118, 2340, 2522, 2619, 2910, 3177, 3492, 3510, 3530, 3783, 4212, 4236, 4365, 4589, 5044, 5238, 5265, 5295, 5820, 6305, 6354, 7020, 7060, 7566, 7857, 8730, 9178, 9531, 10476, 10530, 10590, 11349, 12610, 12708, 13095, 13767, 15132, 15714, 15885, 17460, 18356, 18915, 19062, 21060, 21180, 22698, 22945, 25220, 26190, 27534, 28593, 31428, 31770, 34047, 34241, 37830, 38124, 39285, 41301, 45396, 45890, 47655, 52380, 55068, 56745, 57186, 63540, 68094, 68482, 68835, 75660, 78570, 82602, 91780, 95310, 102141, 102723, 113490, 114372, 123903, 136188, 136964, 137670, 142965, 157140, 165204, 170235, 171205, 190620, 204282, 205446, 206505, 226980, 247806, 275340, 285930, 308169, 340470, 342410, 371709, 408564, 410892, 413010, 445133, 495612, 510705, 513615, 571860, 616338, 619515, 680940, 684820, 743418, 826020, 890266, 924507, 1021410, 1027230, 1232676, 1239030, 1335399, 1486836, 1540845, 1780532, 1849014, 1858545, 2042820, 2054460, 2225665, 2478060, 2670798, 2773521, 3081690, 3698028, 3717090, 4006197, 4451330, 4622535, 5341596, 5547042, 6163380, 6676995, 7434180, 8012394, 8902660, 9245070, 11094084, 12018591, 13353990, 13867605, 16024788, 18490140, 20030985, 24037182, 26707980, 27735210, 36055773, 40061970, 48074364, 55470420, 60092955, 72111546, 80123940, 120185910, 144223092, 180278865, 240371820, 360557730, 721115460]

約数ペア:

[(1, 721115460), (2, 360557730), (3, 240371820), (4, 180278865), (5, 144223092), (6, 120185910), (9, 80123940), (10, 72111546), (12, 60092955), (13, 55470420), (15, 48074364), (18, 40061970), (20, 36055773), (26, 27735210), (27, 26707980), (30, 24037182), (36, 20030985), (39, 18490140), (45, 16024788), (52, 13867605), (54, 13353990), (60, 12018591), (65, 11094084), (78, 9245070), (81, 8902660), (90, 8012394), (97, 7434180), (108, 6676995), (117, 6163380), (130, 5547042), (135, 5341596), (156, 4622535), (162, 4451330), (180, 4006197), (194, 3717090), (195, 3698028), (234, 3081690), (260, 2773521), (270, 2670798), (291, 2478060), (324, 2225665), (351, 2054460), (353, 2042820), (388, 1858545), (390, 1849014), (405, 1780532), (468, 1540845), (485, 1486836), (540, 1335399), (582, 1239030), (585, 1232676), (702, 1027230), (706, 1021410), (780, 924507), (810, 890266), (873, 826020), (970, 743418), (1053, 684820), (1059, 680940), (1164, 619515), (1170, 616338), (1261, 571860), (1404, 513615), (1412, 510705), (1455, 495612), (1620, 445133), (1746, 413010), (1755, 410892), (1765, 408564), (1940, 371709), (2106, 342410), (2118, 340470), (2340, 308169), (2522, 285930), (2619, 275340), (2910, 247806), (3177, 226980), (3492, 206505), (3510, 205446), (3530, 204282), (3783, 190620), (4212, 171205), (4236, 170235), (4365, 165204), (4589, 157140), (5044, 142965), (5238, 137670), (5265, 136964), (5295, 136188), (5820, 123903), (6305, 114372), (6354, 113490), (7020, 102723), (7060, 102141), (7566, 95310), (7857, 91780), (8730, 82602), (9178, 78570), (9531, 75660), (10476, 68835), (10530, 68482), (10590, 68094), (11349, 63540), (12610, 57186), (12708, 56745), (13095, 55068), (13767, 52380), (15132, 47655), (15714, 45890), (15885, 45396), (17460, 41301), (18356, 39285), (18915, 38124), (19062, 37830), (21060, 34241), (21180, 34047), (22698, 31770), (22945, 31428), (25220, 28593), (26190, 27534)]