180798200

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:310

約数の個数: 144

約数和(自身を含む): 478927680

約数和(自身を除く): 298129480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 31, 40, 44, 50, 55, 62, 88, 100, 110, 121, 124, 155, 200, 220, 241, 242, 248, 275, 310, 341, 440, 482, 484, 550, 605, 620, 682, 775, 964, 968, 1100, 1205, 1210, 1240, 1364, 1550, 1705, 1928, 2200, 2410, 2420, 2651, 2728, 3025, 3100, 3410, 3751, 4820, 4840, 5302, 6025, 6050, 6200, 6820, 7471, 7502, 8525, 9640, 10604, 12050, 12100, 13255, 13640, 14942, 15004, 17050, 18755, 21208, 24100, 24200, 26510, 29161, 29884, 30008, 34100, 37355, 37510, 48200, 53020, 58322, 59768, 66275, 68200, 74710, 75020, 82181, 93775, 106040, 116644, 132550, 145805, 149420, 150040, 164362, 186775, 187550, 233288, 265100, 291610, 298840, 328724, 373550, 375100, 410905, 530200, 583220, 657448, 729025, 747100, 750200, 821810, 903991, 1166440, 1458050, 1494200, 1643620, 1807982, 2054525, 2916100, 3287240, 3615964, 4109050, 4519955, 5832200, 7231928, 8218100, 9039910, 16436200, 18079820, 22599775, 36159640, 45199550, 90399100, 180798200]

約数ペア:

[(1, 180798200), (2, 90399100), (4, 45199550), (5, 36159640), (8, 22599775), (10, 18079820), (11, 16436200), (20, 9039910), (22, 8218100), (25, 7231928), (31, 5832200), (40, 4519955), (44, 4109050), (50, 3615964), (55, 3287240), (62, 2916100), (88, 2054525), (100, 1807982), (110, 1643620), (121, 1494200), (124, 1458050), (155, 1166440), (200, 903991), (220, 821810), (241, 750200), (242, 747100), (248, 729025), (275, 657448), (310, 583220), (341, 530200), (440, 410905), (482, 375100), (484, 373550), (550, 328724), (605, 298840), (620, 291610), (682, 265100), (775, 233288), (964, 187550), (968, 186775), (1100, 164362), (1205, 150040), (1210, 149420), (1240, 145805), (1364, 132550), (1550, 116644), (1705, 106040), (1928, 93775), (2200, 82181), (2410, 75020), (2420, 74710), (2651, 68200), (2728, 66275), (3025, 59768), (3100, 58322), (3410, 53020), (3751, 48200), (4820, 37510), (4840, 37355), (5302, 34100), (6025, 30008), (6050, 29884), (6200, 29161), (6820, 26510), (7471, 24200), (7502, 24100), (8525, 21208), (9640, 18755), (10604, 17050), (12050, 15004), (12100, 14942), (13255, 13640)]