261225900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{269}}^1$

素因数の和:385

約数の個数: 216

約数和(自身を含む): 895723920

約数和(自身を除く): 634498020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 30, 36, 39, 45, 50, 52, 60, 65, 75, 78, 83, 90, 100, 117, 130, 150, 156, 166, 180, 195, 225, 234, 249, 260, 269, 300, 325, 332, 390, 415, 450, 468, 498, 538, 585, 650, 747, 780, 807, 830, 900, 975, 996, 1076, 1079, 1170, 1245, 1300, 1345, 1494, 1614, 1660, 1950, 2075, 2158, 2340, 2421, 2490, 2690, 2925, 2988, 3228, 3237, 3497, 3735, 3900, 4035, 4150, 4316, 4842, 4980, 5380, 5395, 5850, 6225, 6474, 6725, 6994, 7470, 8070, 8300, 9684, 9711, 10491, 10790, 11700, 12105, 12450, 12948, 13450, 13988, 14940, 16140, 16185, 17485, 18675, 19422, 20175, 20982, 21580, 22327, 24210, 24900, 26900, 26975, 31473, 32370, 34970, 37350, 38844, 40350, 41964, 44654, 48420, 48555, 52455, 53950, 60525, 62946, 64740, 66981, 69940, 74700, 80700, 80925, 87425, 89308, 97110, 104910, 107900, 111635, 121050, 125892, 133962, 157365, 161850, 174850, 194220, 200943, 209820, 223270, 242100, 242775, 262275, 267924, 290251, 314730, 323700, 334905, 349700, 401886, 446540, 485550, 524550, 558175, 580502, 629460, 669810, 786825, 803772, 870753, 971100, 1004715, 1049100, 1116350, 1161004, 1339620, 1451255, 1573650, 1674525, 1741506, 2009430, 2232700, 2612259, 2902510, 3147300, 3349050, 3483012, 4018860, 4353765, 5023575, 5224518, 5805020, 6698100, 7256275, 8707530, 10047150, 10449036, 13061295, 14512550, 17415060, 20094300, 21768825, 26122590, 29025100, 43537650, 52245180, 65306475, 87075300, 130612950, 261225900]

約数ペア:

[(1, 261225900), (2, 130612950), (3, 87075300), (4, 65306475), (5, 52245180), (6, 43537650), (9, 29025100), (10, 26122590), (12, 21768825), (13, 20094300), (15, 17415060), (18, 14512550), (20, 13061295), (25, 10449036), (26, 10047150), (30, 8707530), (36, 7256275), (39, 6698100), (45, 5805020), (50, 5224518), (52, 5023575), (60, 4353765), (65, 4018860), (75, 3483012), (78, 3349050), (83, 3147300), (90, 2902510), (100, 2612259), (117, 2232700), (130, 2009430), (150, 1741506), (156, 1674525), (166, 1573650), (180, 1451255), (195, 1339620), (225, 1161004), (234, 1116350), (249, 1049100), (260, 1004715), (269, 971100), (300, 870753), (325, 803772), (332, 786825), (390, 669810), (415, 629460), (450, 580502), (468, 558175), (498, 524550), (538, 485550), (585, 446540), (650, 401886), (747, 349700), (780, 334905), (807, 323700), (830, 314730), (900, 290251), (975, 267924), (996, 262275), (1076, 242775), (1079, 242100), (1170, 223270), (1245, 209820), (1300, 200943), (1345, 194220), (1494, 174850), (1614, 161850), (1660, 157365), (1950, 133962), (2075, 125892), (2158, 121050), (2340, 111635), (2421, 107900), (2490, 104910), (2690, 97110), (2925, 89308), (2988, 87425), (3228, 80925), (3237, 80700), (3497, 74700), (3735, 69940), (3900, 66981), (4035, 64740), (4150, 62946), (4316, 60525), (4842, 53950), (4980, 52455), (5380, 48555), (5395, 48420), (5850, 44654), (6225, 41964), (6474, 40350), (6725, 38844), (6994, 37350), (7470, 34970), (8070, 32370), (8300, 31473), (9684, 26975), (9711, 26900), (10491, 24900), (10790, 24210), (11700, 22327), (12105, 21580), (12450, 20982), (12948, 20175), (13450, 19422), (13988, 18675), (14940, 17485), (16140, 16185)]