681644340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{7873}}^1$

素因数の和:7938

約数の個数: 144

約数和(自身を含む): 2287176528

約数和(自身を除く): 1605532188

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 37, 39, 45, 52, 60, 65, 74, 78, 90, 111, 117, 130, 148, 156, 180, 185, 195, 222, 234, 260, 333, 370, 390, 444, 468, 481, 555, 585, 666, 740, 780, 962, 1110, 1170, 1332, 1443, 1665, 1924, 2220, 2340, 2405, 2886, 3330, 4329, 4810, 5772, 6660, 7215, 7873, 8658, 9620, 14430, 15746, 17316, 21645, 23619, 28860, 31492, 39365, 43290, 47238, 70857, 78730, 86580, 94476, 102349, 118095, 141714, 157460, 204698, 236190, 283428, 291301, 307047, 354285, 409396, 472380, 511745, 582602, 614094, 708570, 873903, 921141, 1023490, 1165204, 1228188, 1417140, 1456505, 1535235, 1747806, 1842282, 2046980, 2621709, 2913010, 3070470, 3495612, 3684564, 3786913, 4369515, 4605705, 5243418, 5826020, 6140940, 7573826, 8739030, 9211410, 10486836, 11360739, 13108545, 15147652, 17478060, 18422820, 18934565, 22721478, 26217090, 34082217, 37869130, 45442956, 52434180, 56803695, 68164434, 75738260, 113607390, 136328868, 170411085, 227214780, 340822170, 681644340]

約数ペア:

[(1, 681644340), (2, 340822170), (3, 227214780), (4, 170411085), (5, 136328868), (6, 113607390), (9, 75738260), (10, 68164434), (12, 56803695), (13, 52434180), (15, 45442956), (18, 37869130), (20, 34082217), (26, 26217090), (30, 22721478), (36, 18934565), (37, 18422820), (39, 17478060), (45, 15147652), (52, 13108545), (60, 11360739), (65, 10486836), (74, 9211410), (78, 8739030), (90, 7573826), (111, 6140940), (117, 5826020), (130, 5243418), (148, 4605705), (156, 4369515), (180, 3786913), (185, 3684564), (195, 3495612), (222, 3070470), (234, 2913010), (260, 2621709), (333, 2046980), (370, 1842282), (390, 1747806), (444, 1535235), (468, 1456505), (481, 1417140), (555, 1228188), (585, 1165204), (666, 1023490), (740, 921141), (780, 873903), (962, 708570), (1110, 614094), (1170, 582602), (1332, 511745), (1443, 472380), (1665, 409396), (1924, 354285), (2220, 307047), (2340, 291301), (2405, 283428), (2886, 236190), (3330, 204698), (4329, 157460), (4810, 141714), (5772, 118095), (6660, 102349), (7215, 94476), (7873, 86580), (8658, 78730), (9620, 70857), (14430, 47238), (15746, 43290), (17316, 39365), (21645, 31492), (23619, 28860)]