81552480

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:213

約数の個数: 192

約数和(自身を含む): 274337280

約数和(自身を除く): 192784800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 69, 80, 83, 89, 92, 96, 115, 120, 138, 160, 166, 178, 184, 230, 240, 249, 267, 276, 332, 345, 356, 368, 415, 445, 460, 480, 498, 534, 552, 664, 690, 712, 736, 830, 890, 920, 996, 1068, 1104, 1245, 1328, 1335, 1380, 1424, 1660, 1780, 1840, 1909, 1992, 2047, 2136, 2208, 2490, 2656, 2670, 2760, 2848, 3320, 3560, 3680, 3818, 3984, 4094, 4272, 4980, 5340, 5520, 5727, 6141, 6640, 7120, 7387, 7636, 7968, 8188, 8544, 9545, 9960, 10235, 10680, 11040, 11454, 12282, 13280, 14240, 14774, 15272, 16376, 19090, 19920, 20470, 21360, 22161, 22908, 24564, 28635, 29548, 30544, 30705, 32752, 36935, 38180, 39840, 40940, 42720, 44322, 45816, 49128, 57270, 59096, 61088, 61410, 65504, 73870, 76360, 81880, 88644, 91632, 98256, 110805, 114540, 118192, 122820, 147740, 152720, 163760, 169901, 177288, 183264, 196512, 221610, 229080, 236384, 245640, 295480, 305440, 327520, 339802, 354576, 443220, 458160, 491280, 509703, 590960, 679604, 709152, 849505, 886440, 916320, 982560, 1019406, 1181920, 1359208, 1699010, 1772880, 2038812, 2548515, 2718416, 3398020, 3545760, 4077624, 5097030, 5436832, 6796040, 8155248, 10194060, 13592080, 16310496, 20388120, 27184160, 40776240, 81552480]

約数ペア:

[(1, 81552480), (2, 40776240), (3, 27184160), (4, 20388120), (5, 16310496), (6, 13592080), (8, 10194060), (10, 8155248), (12, 6796040), (15, 5436832), (16, 5097030), (20, 4077624), (23, 3545760), (24, 3398020), (30, 2718416), (32, 2548515), (40, 2038812), (46, 1772880), (48, 1699010), (60, 1359208), (69, 1181920), (80, 1019406), (83, 982560), (89, 916320), (92, 886440), (96, 849505), (115, 709152), (120, 679604), (138, 590960), (160, 509703), (166, 491280), (178, 458160), (184, 443220), (230, 354576), (240, 339802), (249, 327520), (267, 305440), (276, 295480), (332, 245640), (345, 236384), (356, 229080), (368, 221610), (415, 196512), (445, 183264), (460, 177288), (480, 169901), (498, 163760), (534, 152720), (552, 147740), (664, 122820), (690, 118192), (712, 114540), (736, 110805), (830, 98256), (890, 91632), (920, 88644), (996, 81880), (1068, 76360), (1104, 73870), (1245, 65504), (1328, 61410), (1335, 61088), (1380, 59096), (1424, 57270), (1660, 49128), (1780, 45816), (1840, 44322), (1909, 42720), (1992, 40940), (2047, 39840), (2136, 38180), (2208, 36935), (2490, 32752), (2656, 30705), (2670, 30544), (2760, 29548), (2848, 28635), (3320, 24564), (3560, 22908), (3680, 22161), (3818, 21360), (3984, 20470), (4094, 19920), (4272, 19090), (4980, 16376), (5340, 15272), (5520, 14774), (5727, 14240), (6141, 13280), (6640, 12282), (7120, 11454), (7387, 11040), (7636, 10680), (7968, 10235), (8188, 9960), (8544, 9545)]