30868760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:165

約数の個数: 128

約数和(自身を含む): 81648000

約数和(自身を除く): 50779240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 29, 40, 46, 52, 58, 65, 89, 92, 104, 115, 116, 130, 145, 178, 184, 230, 232, 260, 290, 299, 356, 377, 445, 460, 520, 580, 598, 667, 712, 754, 890, 920, 1157, 1160, 1196, 1334, 1495, 1508, 1780, 1885, 2047, 2314, 2392, 2581, 2668, 2990, 3016, 3335, 3560, 3770, 4094, 4628, 5162, 5336, 5785, 5980, 6670, 7540, 8188, 8671, 9256, 10235, 10324, 11570, 11960, 12905, 13340, 15080, 16376, 17342, 20470, 20648, 23140, 25810, 26611, 26680, 33553, 34684, 40940, 43355, 46280, 51620, 53222, 59363, 67106, 69368, 81880, 86710, 103240, 106444, 118726, 133055, 134212, 167765, 173420, 212888, 237452, 266110, 268424, 296815, 335530, 346840, 474904, 532220, 593630, 671060, 771719, 1064440, 1187260, 1342120, 1543438, 2374520, 3086876, 3858595, 6173752, 7717190, 15434380, 30868760]

約数ペア:

[(1, 30868760), (2, 15434380), (4, 7717190), (5, 6173752), (8, 3858595), (10, 3086876), (13, 2374520), (20, 1543438), (23, 1342120), (26, 1187260), (29, 1064440), (40, 771719), (46, 671060), (52, 593630), (58, 532220), (65, 474904), (89, 346840), (92, 335530), (104, 296815), (115, 268424), (116, 266110), (130, 237452), (145, 212888), (178, 173420), (184, 167765), (230, 134212), (232, 133055), (260, 118726), (290, 106444), (299, 103240), (356, 86710), (377, 81880), (445, 69368), (460, 67106), (520, 59363), (580, 53222), (598, 51620), (667, 46280), (712, 43355), (754, 40940), (890, 34684), (920, 33553), (1157, 26680), (1160, 26611), (1196, 25810), (1334, 23140), (1495, 20648), (1508, 20470), (1780, 17342), (1885, 16376), (2047, 15080), (2314, 13340), (2392, 12905), (2581, 11960), (2668, 11570), (2990, 10324), (3016, 10235), (3335, 9256), (3560, 8671), (3770, 8188), (4094, 7540), (4628, 6670), (5162, 5980), (5336, 5785)]