30828960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:371

約数の個数: 144

約数和(自身を含む): 106928640

約数和(自身を除く): 76099680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 79, 80, 90, 96, 120, 144, 158, 160, 180, 237, 240, 271, 288, 316, 360, 395, 474, 480, 542, 632, 711, 720, 790, 813, 948, 1084, 1185, 1264, 1355, 1422, 1440, 1580, 1626, 1896, 2168, 2370, 2439, 2528, 2710, 2844, 3160, 3252, 3555, 3792, 4065, 4336, 4740, 4878, 5420, 5688, 6320, 6504, 7110, 7584, 8130, 8672, 9480, 9756, 10840, 11376, 12195, 12640, 13008, 14220, 16260, 18960, 19512, 21409, 21680, 22752, 24390, 26016, 28440, 32520, 37920, 39024, 42818, 43360, 48780, 56880, 64227, 65040, 78048, 85636, 97560, 107045, 113760, 128454, 130080, 171272, 192681, 195120, 214090, 256908, 321135, 342544, 385362, 390240, 428180, 513816, 642270, 685088, 770724, 856360, 963405, 1027632, 1284540, 1541448, 1712720, 1926810, 2055264, 2569080, 3082896, 3425440, 3853620, 5138160, 6165792, 7707240, 10276320, 15414480, 30828960]

約数ペア:

[(1, 30828960), (2, 15414480), (3, 10276320), (4, 7707240), (5, 6165792), (6, 5138160), (8, 3853620), (9, 3425440), (10, 3082896), (12, 2569080), (15, 2055264), (16, 1926810), (18, 1712720), (20, 1541448), (24, 1284540), (30, 1027632), (32, 963405), (36, 856360), (40, 770724), (45, 685088), (48, 642270), (60, 513816), (72, 428180), (79, 390240), (80, 385362), (90, 342544), (96, 321135), (120, 256908), (144, 214090), (158, 195120), (160, 192681), (180, 171272), (237, 130080), (240, 128454), (271, 113760), (288, 107045), (316, 97560), (360, 85636), (395, 78048), (474, 65040), (480, 64227), (542, 56880), (632, 48780), (711, 43360), (720, 42818), (790, 39024), (813, 37920), (948, 32520), (1084, 28440), (1185, 26016), (1264, 24390), (1355, 22752), (1422, 21680), (1440, 21409), (1580, 19512), (1626, 18960), (1896, 16260), (2168, 14220), (2370, 13008), (2439, 12640), (2528, 12195), (2710, 11376), (2844, 10840), (3160, 9756), (3252, 9480), (3555, 8672), (3792, 8130), (4065, 7584), (4336, 7110), (4740, 6504), (4878, 6320), (5420, 5688)]