221612580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9257}}^1$

素因数の和:9298

約数の個数: 144

約数和(自身を含む): 808778880

約数和(自身を除く): 587166300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1197, 1260, 1330, 1596, 1710, 1995, 2394, 2660, 3420, 3990, 4788, 5985, 7980, 9257, 11970, 18514, 23940, 27771, 37028, 46285, 55542, 64799, 83313, 92570, 111084, 129598, 138855, 166626, 175883, 185140, 194397, 259196, 277710, 323995, 333252, 351766, 388794, 416565, 527649, 555420, 583191, 647990, 703532, 777588, 833130, 879415, 971985, 1055298, 1166382, 1231181, 1295980, 1582947, 1666260, 1758830, 1943970, 2110596, 2332764, 2462362, 2638245, 2915955, 3165894, 3517660, 3693543, 3887940, 4924724, 5276490, 5831910, 6155905, 6331788, 7387086, 7914735, 10552980, 11080629, 11663820, 12311810, 14774172, 15829470, 18467715, 22161258, 24623620, 31658940, 36935430, 44322516, 55403145, 73870860, 110806290, 221612580]

約数ペア:

[(1, 221612580), (2, 110806290), (3, 73870860), (4, 55403145), (5, 44322516), (6, 36935430), (7, 31658940), (9, 24623620), (10, 22161258), (12, 18467715), (14, 15829470), (15, 14774172), (18, 12311810), (19, 11663820), (20, 11080629), (21, 10552980), (28, 7914735), (30, 7387086), (35, 6331788), (36, 6155905), (38, 5831910), (42, 5276490), (45, 4924724), (57, 3887940), (60, 3693543), (63, 3517660), (70, 3165894), (76, 2915955), (84, 2638245), (90, 2462362), (95, 2332764), (105, 2110596), (114, 1943970), (126, 1758830), (133, 1666260), (140, 1582947), (171, 1295980), (180, 1231181), (190, 1166382), (210, 1055298), (228, 971985), (252, 879415), (266, 833130), (285, 777588), (315, 703532), (342, 647990), (380, 583191), (399, 555420), (420, 527649), (532, 416565), (570, 388794), (630, 351766), (665, 333252), (684, 323995), (798, 277710), (855, 259196), (1140, 194397), (1197, 185140), (1260, 175883), (1330, 166626), (1596, 138855), (1710, 129598), (1995, 111084), (2394, 92570), (2660, 83313), (3420, 64799), (3990, 55542), (4788, 46285), (5985, 37028), (7980, 27771), (9257, 23940), (11970, 18514)]