15080520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1381}}^1$

素因数の和:1415

約数の個数: 128

約数和(自身を含む): 55722240

約数和(自身を除く): 40641720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1381, 1560, 1820, 2184, 2730, 2762, 3640, 4143, 5460, 5524, 6905, 8286, 9667, 10920, 11048, 13810, 16572, 17953, 19334, 20715, 27620, 29001, 33144, 35906, 38668, 41430, 48335, 53859, 55240, 58002, 71812, 77336, 82860, 89765, 96670, 107718, 116004, 125671, 143624, 145005, 165720, 179530, 193340, 215436, 232008, 251342, 269295, 290010, 359060, 377013, 386680, 430872, 502684, 538590, 580020, 628355, 718120, 754026, 1005368, 1077180, 1160040, 1256710, 1508052, 1885065, 2154360, 2513420, 3016104, 3770130, 5026840, 7540260, 15080520]

約数ペア:

[(1, 15080520), (2, 7540260), (3, 5026840), (4, 3770130), (5, 3016104), (6, 2513420), (7, 2154360), (8, 1885065), (10, 1508052), (12, 1256710), (13, 1160040), (14, 1077180), (15, 1005368), (20, 754026), (21, 718120), (24, 628355), (26, 580020), (28, 538590), (30, 502684), (35, 430872), (39, 386680), (40, 377013), (42, 359060), (52, 290010), (56, 269295), (60, 251342), (65, 232008), (70, 215436), (78, 193340), (84, 179530), (91, 165720), (104, 145005), (105, 143624), (120, 125671), (130, 116004), (140, 107718), (156, 96670), (168, 89765), (182, 82860), (195, 77336), (210, 71812), (260, 58002), (273, 55240), (280, 53859), (312, 48335), (364, 41430), (390, 38668), (420, 35906), (455, 33144), (520, 29001), (546, 27620), (728, 20715), (780, 19334), (840, 17953), (910, 16572), (1092, 13810), (1365, 11048), (1381, 10920), (1560, 9667), (1820, 8286), (2184, 6905), (2730, 5524), (2762, 5460), (3640, 4143)]