15207810020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{202393}}^1$

素因数の和:202449

約数の個数: 72

約数和(自身を含む): 36535355304

約数和(自身を除く): 21327545284

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 289, 340, 442, 578, 884, 1105, 1156, 1445, 2210, 2890, 3757, 4420, 5780, 7514, 15028, 18785, 37570, 75140, 202393, 404786, 809572, 1011965, 2023930, 2631109, 3440681, 4047860, 5262218, 6881362, 10524436, 13155545, 13762724, 17203405, 26311090, 34406810, 44728853, 52622180, 58491577, 68813620, 89457706, 116983154, 178915412, 223644265, 233966308, 292457885, 447288530, 584915770, 760390501, 894577060, 1169831540, 1520781002, 3041562004, 3801952505, 7603905010, 15207810020]

約数ペア:

[(1, 15207810020), (2, 7603905010), (4, 3801952505), (5, 3041562004), (10, 1520781002), (13, 1169831540), (17, 894577060), (20, 760390501), (26, 584915770), (34, 447288530), (52, 292457885), (65, 233966308), (68, 223644265), (85, 178915412), (130, 116983154), (170, 89457706), (221, 68813620), (260, 58491577), (289, 52622180), (340, 44728853), (442, 34406810), (578, 26311090), (884, 17203405), (1105, 13762724), (1156, 13155545), (1445, 10524436), (2210, 6881362), (2890, 5262218), (3757, 4047860), (4420, 3440681), (5780, 2631109), (7514, 2023930), (15028, 1011965), (18785, 809572), (37570, 404786), (75140, 202393)]