31555770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:164

約数の個数: 128

約数和(自身を含む): 87091200

約数和(自身を除く): 55535430

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 23, 29, 30, 38, 46, 57, 58, 69, 83, 87, 95, 114, 115, 138, 145, 166, 174, 190, 230, 249, 285, 290, 345, 415, 435, 437, 498, 551, 570, 667, 690, 830, 870, 874, 1102, 1245, 1311, 1334, 1577, 1653, 1909, 2001, 2185, 2407, 2490, 2622, 2755, 3154, 3306, 3335, 3818, 4002, 4370, 4731, 4814, 5510, 5727, 6555, 6670, 7221, 7885, 8265, 9462, 9545, 10005, 11454, 12035, 12673, 13110, 14442, 15770, 16530, 19090, 20010, 23655, 24070, 25346, 28635, 36105, 36271, 38019, 45733, 47310, 55361, 57270, 63365, 72210, 72542, 76038, 91466, 108813, 110722, 126730, 137199, 166083, 181355, 190095, 217626, 228665, 274398, 276805, 332166, 362710, 380190, 457330, 544065, 553610, 685995, 830415, 1051859, 1088130, 1371990, 1660830, 2103718, 3155577, 5259295, 6311154, 10518590, 15777885, 31555770]

約数ペア:

[(1, 31555770), (2, 15777885), (3, 10518590), (5, 6311154), (6, 5259295), (10, 3155577), (15, 2103718), (19, 1660830), (23, 1371990), (29, 1088130), (30, 1051859), (38, 830415), (46, 685995), (57, 553610), (58, 544065), (69, 457330), (83, 380190), (87, 362710), (95, 332166), (114, 276805), (115, 274398), (138, 228665), (145, 217626), (166, 190095), (174, 181355), (190, 166083), (230, 137199), (249, 126730), (285, 110722), (290, 108813), (345, 91466), (415, 76038), (435, 72542), (437, 72210), (498, 63365), (551, 57270), (570, 55361), (667, 47310), (690, 45733), (830, 38019), (870, 36271), (874, 36105), (1102, 28635), (1245, 25346), (1311, 24070), (1334, 23655), (1577, 20010), (1653, 19090), (1909, 16530), (2001, 15770), (2185, 14442), (2407, 13110), (2490, 12673), (2622, 12035), (2755, 11454), (3154, 10005), (3306, 9545), (3335, 9462), (3818, 8265), (4002, 7885), (4370, 7221), (4731, 6670), (4814, 6555), (5510, 5727)]