123656940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{173}}^1$

素因数の和:237

約数の個数: 216

約数和(自身を含む): 434358288

約数和(自身を除く): 310701348

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 30, 33, 36, 38, 44, 45, 55, 57, 60, 66, 76, 90, 95, 99, 110, 114, 132, 165, 171, 173, 180, 190, 198, 209, 220, 228, 285, 330, 342, 346, 361, 380, 396, 418, 495, 519, 570, 627, 660, 684, 692, 722, 836, 855, 865, 990, 1038, 1045, 1083, 1140, 1254, 1444, 1557, 1710, 1730, 1805, 1881, 1903, 1980, 2076, 2090, 2166, 2508, 2595, 3114, 3135, 3249, 3287, 3420, 3460, 3610, 3762, 3806, 3971, 4180, 4332, 5190, 5415, 5709, 6228, 6270, 6498, 6574, 7220, 7524, 7612, 7785, 7942, 9405, 9515, 9861, 10380, 10830, 11418, 11913, 12540, 12996, 13148, 15570, 15884, 16245, 16435, 17127, 18810, 19030, 19722, 19855, 21660, 22836, 23826, 28545, 29583, 31140, 32490, 32870, 34254, 35739, 36157, 37620, 38060, 39444, 39710, 47652, 49305, 57090, 59166, 59565, 62453, 64980, 65740, 68508, 71478, 72314, 79420, 85635, 98610, 108471, 114180, 118332, 119130, 124906, 142956, 144628, 147915, 171270, 178695, 180785, 187359, 197220, 216942, 238260, 249812, 295830, 312265, 325413, 342540, 357390, 361570, 374718, 433884, 542355, 562077, 591660, 624530, 650826, 686983, 714780, 723140, 749436, 936795, 1084710, 1124154, 1249060, 1301652, 1373966, 1627065, 1873590, 2060949, 2169420, 2248308, 2747932, 2810385, 3254130, 3434915, 3747180, 4121898, 5620770, 6182847, 6508260, 6869830, 8243796, 10304745, 11241540, 12365694, 13739660, 20609490, 24731388, 30914235, 41218980, 61828470, 123656940]

約数ペア:

[(1, 123656940), (2, 61828470), (3, 41218980), (4, 30914235), (5, 24731388), (6, 20609490), (9, 13739660), (10, 12365694), (11, 11241540), (12, 10304745), (15, 8243796), (18, 6869830), (19, 6508260), (20, 6182847), (22, 5620770), (30, 4121898), (33, 3747180), (36, 3434915), (38, 3254130), (44, 2810385), (45, 2747932), (55, 2248308), (57, 2169420), (60, 2060949), (66, 1873590), (76, 1627065), (90, 1373966), (95, 1301652), (99, 1249060), (110, 1124154), (114, 1084710), (132, 936795), (165, 749436), (171, 723140), (173, 714780), (180, 686983), (190, 650826), (198, 624530), (209, 591660), (220, 562077), (228, 542355), (285, 433884), (330, 374718), (342, 361570), (346, 357390), (361, 342540), (380, 325413), (396, 312265), (418, 295830), (495, 249812), (519, 238260), (570, 216942), (627, 197220), (660, 187359), (684, 180785), (692, 178695), (722, 171270), (836, 147915), (855, 144628), (865, 142956), (990, 124906), (1038, 119130), (1045, 118332), (1083, 114180), (1140, 108471), (1254, 98610), (1444, 85635), (1557, 79420), (1710, 72314), (1730, 71478), (1805, 68508), (1881, 65740), (1903, 64980), (1980, 62453), (2076, 59565), (2090, 59166), (2166, 57090), (2508, 49305), (2595, 47652), (3114, 39710), (3135, 39444), (3249, 38060), (3287, 37620), (3420, 36157), (3460, 35739), (3610, 34254), (3762, 32870), (3806, 32490), (3971, 31140), (4180, 29583), (4332, 28545), (5190, 23826), (5415, 22836), (5709, 21660), (6228, 19855), (6270, 19722), (6498, 19030), (6574, 18810), (7220, 17127), (7524, 16435), (7612, 16245), (7785, 15884), (7942, 15570), (9405, 13148), (9515, 12996), (9861, 12540), (10380, 11913), (10830, 11418)]