51919020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1$

素因数の和:117

約数の個数: 216

約数和(自身を含む): 179734464

約数和(自身を除く): 127815444

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 30, 34, 36, 38, 45, 47, 51, 57, 60, 68, 76, 85, 90, 94, 95, 102, 114, 141, 153, 170, 171, 180, 188, 190, 204, 228, 235, 255, 282, 285, 306, 323, 340, 342, 361, 380, 423, 470, 510, 564, 570, 612, 646, 684, 705, 722, 765, 799, 846, 855, 893, 940, 969, 1020, 1083, 1140, 1292, 1410, 1444, 1530, 1598, 1615, 1692, 1710, 1786, 1805, 1938, 2115, 2166, 2397, 2679, 2820, 2907, 3060, 3196, 3230, 3249, 3420, 3572, 3610, 3876, 3995, 4230, 4332, 4465, 4794, 4845, 5358, 5415, 5814, 6137, 6460, 6498, 7191, 7220, 7990, 8037, 8460, 8930, 9588, 9690, 10716, 10830, 11628, 11985, 12274, 12996, 13395, 14382, 14535, 15181, 15980, 16074, 16245, 16967, 17860, 18411, 19380, 21660, 23970, 24548, 26790, 28764, 29070, 30362, 30685, 32148, 32490, 33934, 35955, 36822, 40185, 45543, 47940, 50901, 53580, 55233, 58140, 60724, 61370, 64980, 67868, 71910, 73644, 75905, 80370, 84835, 91086, 92055, 101802, 110466, 122740, 136629, 143820, 151810, 152703, 160740, 169670, 182172, 184110, 203604, 220932, 227715, 254505, 273258, 276165, 288439, 303620, 305406, 339340, 368220, 455430, 509010, 546516, 552330, 576878, 610812, 683145, 763515, 865317, 910860, 1018020, 1104660, 1153756, 1366290, 1442195, 1527030, 1730634, 2595951, 2732580, 2884390, 3054060, 3461268, 4326585, 5191902, 5768780, 8653170, 10383804, 12979755, 17306340, 25959510, 51919020]

約数ペア:

[(1, 51919020), (2, 25959510), (3, 17306340), (4, 12979755), (5, 10383804), (6, 8653170), (9, 5768780), (10, 5191902), (12, 4326585), (15, 3461268), (17, 3054060), (18, 2884390), (19, 2732580), (20, 2595951), (30, 1730634), (34, 1527030), (36, 1442195), (38, 1366290), (45, 1153756), (47, 1104660), (51, 1018020), (57, 910860), (60, 865317), (68, 763515), (76, 683145), (85, 610812), (90, 576878), (94, 552330), (95, 546516), (102, 509010), (114, 455430), (141, 368220), (153, 339340), (170, 305406), (171, 303620), (180, 288439), (188, 276165), (190, 273258), (204, 254505), (228, 227715), (235, 220932), (255, 203604), (282, 184110), (285, 182172), (306, 169670), (323, 160740), (340, 152703), (342, 151810), (361, 143820), (380, 136629), (423, 122740), (470, 110466), (510, 101802), (564, 92055), (570, 91086), (612, 84835), (646, 80370), (684, 75905), (705, 73644), (722, 71910), (765, 67868), (799, 64980), (846, 61370), (855, 60724), (893, 58140), (940, 55233), (969, 53580), (1020, 50901), (1083, 47940), (1140, 45543), (1292, 40185), (1410, 36822), (1444, 35955), (1530, 33934), (1598, 32490), (1615, 32148), (1692, 30685), (1710, 30362), (1786, 29070), (1805, 28764), (1938, 26790), (2115, 24548), (2166, 23970), (2397, 21660), (2679, 19380), (2820, 18411), (2907, 17860), (3060, 16967), (3196, 16245), (3230, 16074), (3249, 15980), (3420, 15181), (3572, 14535), (3610, 14382), (3876, 13395), (3995, 12996), (4230, 12274), (4332, 11985), (4465, 11628), (4794, 10830), (4845, 10716), (5358, 9690), (5415, 9588), (5814, 8930), (6137, 8460), (6460, 8037), (6498, 7990), (7191, 7220)]