18219820920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{1489}}^1\times {\mathrm{2081}}^1$

素因数の和:3598

約数の個数: 192

約数和(自身を含む): 63656733600

約数和(自身を除く): 45436912680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1489, 1960, 2081, 2940, 2978, 4162, 4467, 5880, 5956, 6243, 7445, 8324, 8934, 10405, 10423, 11912, 12486, 14567, 14890, 16648, 17868, 20810, 20846, 22335, 24972, 29134, 29780, 31215, 31269, 35736, 41620, 41692, 43701, 44670, 49944, 52115, 58268, 59560, 62430, 62538, 72835, 72961, 83240, 83384, 87402, 89340, 101969, 104230, 116536, 124860, 125076, 145670, 145922, 156345, 174804, 178680, 203938, 208460, 218505, 218883, 249720, 250152, 291340, 291844, 305907, 312690, 349608, 364805, 407876, 416920, 437010, 437766, 509845, 582680, 583688, 611814, 625380, 729610, 815752, 874020, 875532, 1019690, 1094415, 1223628, 1250760, 1459220, 1529535, 1748040, 1751064, 2039380, 2188830, 2447256, 2918440, 3059070, 3098609, 4078760, 4377660, 6118140, 6197218, 8755320, 9295827, 12236280, 12394436, 15493045, 18591654, 21690263, 24788872, 30986090, 37183308, 43380526, 46479135, 61972180, 65070789, 74366616, 86761052, 92958270, 108451315, 123944360, 130141578, 151831841, 173522104, 185916540, 216902630, 260283156, 303663682, 325353945, 371833080, 433805260, 455495523, 520566312, 607327364, 650707890, 759159205, 867610520, 910991046, 1214654728, 1301415780, 1518318410, 1821982092, 2277477615, 2602831560, 3036636820, 3643964184, 4554955230, 6073273640, 9109910460, 18219820920]

約数ペア:

[(1, 18219820920), (2, 9109910460), (3, 6073273640), (4, 4554955230), (5, 3643964184), (6, 3036636820), (7, 2602831560), (8, 2277477615), (10, 1821982092), (12, 1518318410), (14, 1301415780), (15, 1214654728), (20, 910991046), (21, 867610520), (24, 759159205), (28, 650707890), (30, 607327364), (35, 520566312), (40, 455495523), (42, 433805260), (49, 371833080), (56, 325353945), (60, 303663682), (70, 260283156), (84, 216902630), (98, 185916540), (105, 173522104), (120, 151831841), (140, 130141578), (147, 123944360), (168, 108451315), (196, 92958270), (210, 86761052), (245, 74366616), (280, 65070789), (294, 61972180), (392, 46479135), (420, 43380526), (490, 37183308), (588, 30986090), (735, 24788872), (840, 21690263), (980, 18591654), (1176, 15493045), (1470, 12394436), (1489, 12236280), (1960, 9295827), (2081, 8755320), (2940, 6197218), (2978, 6118140), (4162, 4377660), (4467, 4078760), (5880, 3098609), (5956, 3059070), (6243, 2918440), (7445, 2447256), (8324, 2188830), (8934, 2039380), (10405, 1751064), (10423, 1748040), (11912, 1529535), (12486, 1459220), (14567, 1250760), (14890, 1223628), (16648, 1094415), (17868, 1019690), (20810, 875532), (20846, 874020), (22335, 815752), (24972, 729610), (29134, 625380), (29780, 611814), (31215, 583688), (31269, 582680), (35736, 509845), (41620, 437766), (41692, 437010), (43701, 416920), (44670, 407876), (49944, 364805), (52115, 349608), (58268, 312690), (59560, 305907), (62430, 291844), (62538, 291340), (72835, 250152), (72961, 249720), (83240, 218883), (83384, 218505), (87402, 208460), (89340, 203938), (101969, 178680), (104230, 174804), (116536, 156345), (124860, 145922), (125076, 145670)]