30890580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:131

約数の個数: 192

約数和(自身を含む): 107520000

約数和(自身を除く): 76629420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 79, 84, 95, 98, 105, 114, 133, 140, 147, 158, 190, 196, 210, 228, 237, 245, 266, 285, 294, 316, 343, 380, 395, 399, 420, 474, 490, 532, 553, 570, 588, 665, 686, 735, 790, 798, 931, 948, 980, 1029, 1106, 1140, 1185, 1330, 1372, 1470, 1501, 1580, 1596, 1659, 1715, 1862, 1995, 2058, 2212, 2370, 2660, 2765, 2793, 2940, 3002, 3318, 3430, 3724, 3871, 3990, 4116, 4503, 4655, 4740, 5145, 5530, 5586, 6004, 6517, 6636, 6860, 7505, 7742, 7980, 8295, 9006, 9310, 10290, 10507, 11060, 11172, 11613, 13034, 13965, 15010, 15484, 16590, 18012, 18620, 19355, 19551, 20580, 21014, 22515, 23226, 26068, 27097, 27930, 30020, 31521, 32585, 33180, 38710, 39102, 42028, 45030, 46452, 52535, 54194, 55860, 58065, 63042, 65170, 73549, 77420, 78204, 81291, 90060, 97755, 105070, 108388, 116130, 126084, 130340, 135485, 147098, 157605, 162582, 195510, 210140, 220647, 232260, 270970, 294196, 315210, 325164, 367745, 391020, 406455, 441294, 514843, 541940, 630420, 735490, 812910, 882588, 1029686, 1103235, 1470980, 1544529, 1625820, 2059372, 2206470, 2574215, 3089058, 4412940, 5148430, 6178116, 7722645, 10296860, 15445290, 30890580]

約数ペア:

[(1, 30890580), (2, 15445290), (3, 10296860), (4, 7722645), (5, 6178116), (6, 5148430), (7, 4412940), (10, 3089058), (12, 2574215), (14, 2206470), (15, 2059372), (19, 1625820), (20, 1544529), (21, 1470980), (28, 1103235), (30, 1029686), (35, 882588), (38, 812910), (42, 735490), (49, 630420), (57, 541940), (60, 514843), (70, 441294), (76, 406455), (79, 391020), (84, 367745), (95, 325164), (98, 315210), (105, 294196), (114, 270970), (133, 232260), (140, 220647), (147, 210140), (158, 195510), (190, 162582), (196, 157605), (210, 147098), (228, 135485), (237, 130340), (245, 126084), (266, 116130), (285, 108388), (294, 105070), (316, 97755), (343, 90060), (380, 81291), (395, 78204), (399, 77420), (420, 73549), (474, 65170), (490, 63042), (532, 58065), (553, 55860), (570, 54194), (588, 52535), (665, 46452), (686, 45030), (735, 42028), (790, 39102), (798, 38710), (931, 33180), (948, 32585), (980, 31521), (1029, 30020), (1106, 27930), (1140, 27097), (1185, 26068), (1330, 23226), (1372, 22515), (1470, 21014), (1501, 20580), (1580, 19551), (1596, 19355), (1659, 18620), (1715, 18012), (1862, 16590), (1995, 15484), (2058, 15010), (2212, 13965), (2370, 13034), (2660, 11613), (2765, 11172), (2793, 11060), (2940, 10507), (3002, 10290), (3318, 9310), (3430, 9006), (3724, 8295), (3871, 7980), (3990, 7742), (4116, 7505), (4503, 6860), (4655, 6636), (4740, 6517), (5145, 6004), (5530, 5586)]