20150930320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{3061}}^1$

素因数の和:3225

約数の個数: 160

約数和(自身を含む): 50847816960

約数和(自身を除く): 30696886640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 61, 71, 76, 80, 95, 122, 142, 152, 190, 244, 284, 304, 305, 355, 380, 488, 568, 610, 710, 760, 976, 1136, 1159, 1220, 1349, 1420, 1520, 2318, 2440, 2698, 2840, 3061, 4331, 4636, 4880, 5396, 5680, 5795, 6122, 6745, 8662, 9272, 10792, 11590, 12244, 13490, 15305, 17324, 18544, 21584, 21655, 23180, 24488, 26980, 30610, 34648, 43310, 46360, 48976, 53960, 58159, 61220, 69296, 82289, 86620, 92720, 107920, 116318, 122440, 164578, 173240, 186721, 217331, 232636, 244880, 290795, 329156, 346480, 373442, 411445, 434662, 465272, 581590, 658312, 746884, 822890, 869324, 930544, 933605, 1086655, 1163180, 1316624, 1493768, 1645780, 1738648, 1867210, 2173310, 2326360, 2987536, 3291560, 3477296, 3547699, 3734420, 4129289, 4346620, 4652720, 6583120, 7095398, 7468840, 8258578, 8693240, 13257191, 14190796, 14937680, 16517156, 17386480, 17738495, 20646445, 26514382, 28381592, 33034312, 35476990, 41292890, 53028764, 56763184, 66068624, 66285955, 70953980, 82585780, 106057528, 132571910, 141907960, 165171560, 212115056, 251886629, 265143820, 283815920, 330343120, 503773258, 530287640, 1007546516, 1060575280, 1259433145, 2015093032, 2518866290, 4030186064, 5037732580, 10075465160, 20150930320]

約数ペア:

[(1, 20150930320), (2, 10075465160), (4, 5037732580), (5, 4030186064), (8, 2518866290), (10, 2015093032), (16, 1259433145), (19, 1060575280), (20, 1007546516), (38, 530287640), (40, 503773258), (61, 330343120), (71, 283815920), (76, 265143820), (80, 251886629), (95, 212115056), (122, 165171560), (142, 141907960), (152, 132571910), (190, 106057528), (244, 82585780), (284, 70953980), (304, 66285955), (305, 66068624), (355, 56763184), (380, 53028764), (488, 41292890), (568, 35476990), (610, 33034312), (710, 28381592), (760, 26514382), (976, 20646445), (1136, 17738495), (1159, 17386480), (1220, 16517156), (1349, 14937680), (1420, 14190796), (1520, 13257191), (2318, 8693240), (2440, 8258578), (2698, 7468840), (2840, 7095398), (3061, 6583120), (4331, 4652720), (4636, 4346620), (4880, 4129289), (5396, 3734420), (5680, 3547699), (5795, 3477296), (6122, 3291560), (6745, 2987536), (8662, 2326360), (9272, 2173310), (10792, 1867210), (11590, 1738648), (12244, 1645780), (13490, 1493768), (15305, 1316624), (17324, 1163180), (18544, 1086655), (21584, 933605), (21655, 930544), (23180, 869324), (24488, 822890), (26980, 746884), (30610, 658312), (34648, 581590), (43310, 465272), (46360, 434662), (48976, 411445), (53960, 373442), (58159, 346480), (61220, 329156), (69296, 290795), (82289, 244880), (86620, 232636), (92720, 217331), (107920, 186721), (116318, 173240), (122440, 164578)]