128828340

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3911}}^1$

素因数の和:3990

約数の個数: 96

約数和(自身を含む): 407473920

約数和(自身を除く): 278645580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 61, 90, 108, 122, 135, 180, 183, 244, 270, 305, 366, 540, 549, 610, 732, 915, 1098, 1220, 1647, 1830, 2196, 2745, 3294, 3660, 3911, 5490, 6588, 7822, 8235, 10980, 11733, 15644, 16470, 19555, 23466, 32940, 35199, 39110, 46932, 58665, 70398, 78220, 105597, 117330, 140796, 175995, 211194, 234660, 238571, 351990, 422388, 477142, 527985, 703980, 715713, 954284, 1055970, 1192855, 1431426, 2111940, 2147139, 2385710, 2862852, 3578565, 4294278, 4771420, 6441417, 7157130, 8588556, 10735695, 12882834, 14314260, 21471390, 25765668, 32207085, 42942780, 64414170, 128828340]

約数ペア:

[(1, 128828340), (2, 64414170), (3, 42942780), (4, 32207085), (5, 25765668), (6, 21471390), (9, 14314260), (10, 12882834), (12, 10735695), (15, 8588556), (18, 7157130), (20, 6441417), (27, 4771420), (30, 4294278), (36, 3578565), (45, 2862852), (54, 2385710), (60, 2147139), (61, 2111940), (90, 1431426), (108, 1192855), (122, 1055970), (135, 954284), (180, 715713), (183, 703980), (244, 527985), (270, 477142), (305, 422388), (366, 351990), (540, 238571), (549, 234660), (610, 211194), (732, 175995), (915, 140796), (1098, 117330), (1220, 105597), (1647, 78220), (1830, 70398), (2196, 58665), (2745, 46932), (3294, 39110), (3660, 35199), (3911, 32940), (5490, 23466), (6588, 19555), (7822, 16470), (8235, 15644), (10980, 11733)]