28975320

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1$

素因数の和:308

約数の個数: 192

約数和(自身を含む): 106928640

約数和(自身を除く): 77953320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 81, 88, 90, 99, 108, 110, 120, 132, 135, 162, 165, 180, 198, 216, 220, 243, 264, 270, 271, 297, 324, 330, 360, 396, 405, 440, 486, 495, 540, 542, 594, 648, 660, 792, 810, 813, 891, 972, 990, 1080, 1084, 1188, 1215, 1320, 1355, 1485, 1620, 1626, 1782, 1944, 1980, 2168, 2376, 2430, 2439, 2673, 2710, 2970, 2981, 3240, 3252, 3564, 3960, 4065, 4455, 4860, 4878, 5346, 5420, 5940, 5962, 6504, 7128, 7317, 8130, 8910, 8943, 9720, 9756, 10692, 10840, 11880, 11924, 12195, 13365, 14634, 14905, 16260, 17820, 17886, 19512, 21384, 21951, 23848, 24390, 26730, 26829, 29268, 29810, 32520, 35640, 35772, 36585, 43902, 44715, 48780, 53460, 53658, 58536, 59620, 65853, 71544, 73170, 80487, 87804, 89430, 97560, 106920, 107316, 109755, 119240, 131706, 134145, 146340, 160974, 175608, 178860, 214632, 219510, 241461, 263412, 268290, 292680, 321948, 329265, 357720, 402435, 439020, 482922, 526824, 536580, 643896, 658530, 724383, 804870, 878040, 965844, 1073160, 1207305, 1317060, 1448766, 1609740, 1931688, 2414610, 2634120, 2897532, 3219480, 3621915, 4829220, 5795064, 7243830, 9658440, 14487660, 28975320]

約数ペア:

[(1, 28975320), (2, 14487660), (3, 9658440), (4, 7243830), (5, 5795064), (6, 4829220), (8, 3621915), (9, 3219480), (10, 2897532), (11, 2634120), (12, 2414610), (15, 1931688), (18, 1609740), (20, 1448766), (22, 1317060), (24, 1207305), (27, 1073160), (30, 965844), (33, 878040), (36, 804870), (40, 724383), (44, 658530), (45, 643896), (54, 536580), (55, 526824), (60, 482922), (66, 439020), (72, 402435), (81, 357720), (88, 329265), (90, 321948), (99, 292680), (108, 268290), (110, 263412), (120, 241461), (132, 219510), (135, 214632), (162, 178860), (165, 175608), (180, 160974), (198, 146340), (216, 134145), (220, 131706), (243, 119240), (264, 109755), (270, 107316), (271, 106920), (297, 97560), (324, 89430), (330, 87804), (360, 80487), (396, 73170), (405, 71544), (440, 65853), (486, 59620), (495, 58536), (540, 53658), (542, 53460), (594, 48780), (648, 44715), (660, 43902), (792, 36585), (810, 35772), (813, 35640), (891, 32520), (972, 29810), (990, 29268), (1080, 26829), (1084, 26730), (1188, 24390), (1215, 23848), (1320, 21951), (1355, 21384), (1485, 19512), (1620, 17886), (1626, 17820), (1782, 16260), (1944, 14905), (1980, 14634), (2168, 13365), (2376, 12195), (2430, 11924), (2439, 11880), (2673, 10840), (2710, 10692), (2970, 9756), (2981, 9720), (3240, 8943), (3252, 8910), (3564, 8130), (3960, 7317), (4065, 7128), (4455, 6504), (4860, 5962), (4878, 5940), (5346, 5420)]